subject:"\[jira\] \[Commented\] \(HBASE\-4890\) fix possible NPE in HConnectionManager"

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-11 Thread stack (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13227234#comment-13227234
 ] 

stack commented on HBASE-4890:
--

IOE is better than NPE.  The IOE says what the error is.  What we want to do 
about this scenario -- a process running serverside for longer than we're 
prepared to wait -- is something we need to work on.  We either add the 
keep-alive or adjust the rpctimeout by the size of the request?

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-10 Thread stack (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13226961#comment-13226961
 ] 

stack commented on HBASE-4890:
--

bq. Now we get IOE as the patch is applied.

And you used to get NPE?

bq. Hmm... Good point, shouldn't the client retry unless it received a 
DoNotRetryException?

Do we want it retry a timeout?  For example, in the above pathological case, we 
timed out because we wanted server to open 3k regions and it was taking longer 
than rpctimeout.  Do we want to retry that call?

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-10 Thread Lars Hofhansl (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13226962#comment-13226962
 ] 

Lars Hofhansl commented on HBASE-4890:
--

Hmm... No I guess not. :)
But then back to Ram's point. An IOE is not in principle better than an NPE.

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-10 Thread ramkrishna.s.vasudevan (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13226999#comment-13226999
 ] 

ramkrishna.s.vasudevan commented on HBASE-4890:
---

bq.And you used to get NPE?

Yes.. got NPE.


 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-09 Thread ramkrishna.s.vasudevan (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13226763#comment-13226763
 ] 

ramkrishna.s.vasudevan commented on HBASE-4890:
---

This is pretty easy to come.  And a client with more write threads is creating 
this.  Now we get IOE as the patch is applied.

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-09 Thread Lars Hofhansl (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13226780#comment-13226780
 ] 

Lars Hofhansl commented on HBASE-4890:
--

Hmm... Good point, shouldn't the client retry unless it received a 
DoNotRetryException?

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-08 Thread Hudson (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13225511#comment-13225511
 ] 

Hudson commented on HBASE-4890:
---

Integrated in HBase-0.92-security #97 (See 
[https://builds.apache.org/job/HBase-0.92-security/97/])
HBASE-4890 fix possible NPE in HConnectionManager (Revision 1298270)

 Result = FAILURE
stack : 
Files : 
* /hbase/branches/0.92/CHANGES.txt
* 
/hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/ipc/HBaseClient.java


 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-08 Thread Hudson (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13225734#comment-13225734
 ] 

Hudson commented on HBASE-4890:
---

Integrated in HBase-TRUNK #2674 (See 
[https://builds.apache.org/job/HBase-TRUNK/2674/])
HBASE-4890 fix possible NPE in HConnectionManager (Revision 1298272)

 Result = FAILURE
stack : 
Files : 
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/HBaseClient.java


 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-07 Thread Cosmin Lehene (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13224921#comment-13224921
 ] 

Cosmin Lehene commented on HBASE-4890:
--

It seems fine. I get the IOE instead of NPE now

{code}
java.util.concurrent.ExecutionException: java.io.IOException: Call to 
ld1/10.72.32.50:60020 failed on local exception: 
org.apache.hadoop.hbase.ipc.HBaseClient$CallTimeoutException: Call id=1321, 
waitTime=97566, rpcTimetout=6
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
at java.util.concurrent.FutureTask.get(FutureTask.java:83)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1557)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1409)
at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:900)
at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:777)
at org.apache.hadoop.hbase.client.HTable.put(HTable.java:752)
at com.adobe.saasbase.scratch.Smith$PutThread.run(Smith.java:74)
Caused by: java.io.IOException: Call to ld1/10.72.32.50:60020 failed on local 
exception: org.apache.hadoop.hbase.ipc.HBaseClient$CallTimeoutException: Call 
id=1321, waitTime=97566, rpcTimetout=6
at 
org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:953)
at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:922)
at 
org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
at $Proxy5.multi(Unknown Source)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1386)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1384)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1365)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1383)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1381)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.hadoop.hbase.ipc.HBaseClient$CallTimeoutException: Call 
id=1321, waitTime=97566, rpcTimetout=6
at 
org.apache.hadoop.hbase.ipc.HBaseClient$Connection.cleanupCalls(HBaseClient.java:684)
at 
org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:613)
at 
org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:505)


{code}

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-07 Thread Hadoop QA (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13224947#comment-13224947
 ] 

Hadoop QA commented on HBASE-4890:
--

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12517500/4890-v3.txt
  against trunk revision .

+1 @author.  The patch does not contain any @author tags.

-1 tests included.  The patch doesn't appear to include any new or modified 
tests.
Please justify why no new tests are needed for this 
patch.
Also please list what manual steps were performed to 
verify this patch.

-1 javadoc.  The javadoc tool appears to have generated -129 warning 
messages.

+1 javac.  The applied patch does not increase the total number of javac 
compiler warnings.

-1 findbugs.  The patch appears to introduce 154 new Findbugs (version 
1.3.9) warnings.

+1 release audit.  The applied patch does not increase the total number of 
release audit warnings.

+1 core tests.  The patch passed unit tests in .

Test results: 
https://builds.apache.org/job/PreCommit-HBASE-Build/1131//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/1131//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: 
https://builds.apache.org/job/PreCommit-HBASE-Build/1131//console

This message is automatically generated.

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-07 Thread Hudson (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13225014#comment-13225014
 ] 

Hudson commented on HBASE-4890:
---

Integrated in HBase-0.94 #19 (See 
[https://builds.apache.org/job/HBase-0.94/19/])
HBASE-4890 fix possible NPE in HConnectionManager (Revision 1298271)

 Result = SUCCESS
stack : 
Files : 
* 
/hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/ipc/HBaseClient.java


 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-07 Thread Hudson (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13225017#comment-13225017
 ] 

Hudson commented on HBASE-4890:
---

Integrated in HBase-TRUNK-security #131 (See 
[https://builds.apache.org/job/HBase-TRUNK-security/131/])
HBASE-4890 fix possible NPE in HConnectionManager (Revision 1298272)

 Result = SUCCESS
stack : 
Files : 
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/HBaseClient.java


 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Assignee: stack
Priority: Blocker
 Fix For: 0.92.1, 0.94.0

 Attachments: 4890-v2.txt, 4890-v3.txt, 4890-v3.txt, 4890-v3.txt, 
 4890.txt, splits.txt


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-03 Thread stack (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13221643#comment-13221643
 ] 

stack commented on HBASE-4890:
--

This NPE is a bit too easy to manufacture.  Should we hold up 0.92.1 till 
fixed?  Can work on it monday?

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-03 Thread Lars Hofhansl (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13221801#comment-13221801
 ] 

Lars Hofhansl commented on HBASE-4890:
--

I agree, this is scary. I too will some debugging on Monday.

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-02 Thread stack (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13221112#comment-13221112
 ] 

stack commented on HBASE-4890:
--

Any more luck w/ this one J-D (or you got distracted?)

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-02 Thread Jean-Daniel Cryans (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13221358#comment-13221358
 ] 

Jean-Daniel Cryans commented on HBASE-4890:
---

Sorry, I got distracted (I even forgot about this issue) so nothing new.

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-03-02 Thread Davey Yan (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13221524#comment-13221524
 ] 

Davey Yan commented on HBASE-4890:
--

I got the same error when I committed data with a multi-threads client.

{noformat}
12/03/02 21:52:27 WARN client.HConnectionManager$HConnectionImplementation: 
Failed all from 
region=File,76cd9bbd-8431-4639-8440-b2bac89488f7\x00/\x005f87b6e0-3ce6-446b-a870-7c99b7e0f818,1330625239513.f2dfbf8673f58f5e8c620a94638bf736.,
 hostname=ubuntu6403, port=60020
java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
java.lang.NullPointerException
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
at java.util.concurrent.FutureTask.get(FutureTask.java:83)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1557)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1409)
at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:900)
at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:777)
at org.apache.hadoop.hbase.client.HTable.put(HTable.java:752)
at 
org.apache.hadoop.hbase.client.HTablePool$PooledHTable.put(HTablePool.java:397)
at com.xxx.file.service.HBaseFileManager.save(Unknown Source)
at com.xxx.file.service.HBaseFileManager.createFileMessage(Unknown 
Source)
at com.xxx.perf.PerformanceEvaluation$1.run(Unknown Source)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1371)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1383)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1381)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
... 3 more
Caused by: java.lang.NullPointerException
at 
org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
at $Proxy19.multi(Unknown Source)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1386)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1384)
at 
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1365)
... 7 more
{noformat}

This multi-threads client puts data into table 'File'.
And there are three secondary-index tables (FileAIndex, FileBIndex, FileCIndex) 
being filled by a coprocessor of table 'File'.

The coprocessors outlined HERE:

{code:title=FileCoprocessor.java}
public class FileCoprocessor extends BaseRegionObserver {
HTablePool hTablePool;

@Override
public void start(CoprocessorEnvironment e) throws IOException {
super.start(e);
hTablePool = new HTablePool(e.getConfiguration(), 100);
}

@Override
public void stop(CoprocessorEnvironment e) throws IOException {
hTablePool.close();
super.stop(e);
}

@Override
public void prePut(...) {
hTablePool.getTable(FileAIndex).put(...);
hTablePool.getTable(FileBIndex).put(...);
hTablePool.getTable(FileCIndex).put(...);
}
}
{code}

When I disable the coprocessor, I cannot reproduced the error until now, but I 
am not sure.


Environment  Version:
HBase 0.92.0
Hadoop 1.0.0
java version 1.6.0_30 Java(TM) SE Runtime Environment (build 1.6.0_30-b12) 
Java HotSpot(TM) 64-Bit Server VM (build 20.5-b03, mixed mode)
Ubuntu Server 10.04 LTS 64-bit
1 master + 4 regionserver

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-02-25 Thread Jean-Daniel Cryans (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13216515#comment-13216515
 ] 

Jean-Daniel Cryans commented on HBASE-4890:
---

Very unlikely, 5336's NPE is coming from Hadoop land instead of our IPC and to 
me it looks like that file was already closed.

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-02-24 Thread Jean-Daniel Cryans (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13216196#comment-13216196
 ] 

Jean-Daniel Cryans commented on HBASE-4890:
---

More progress, we're setting a null exception on the call in this code:

{code}
protected void cleanupCalls(long rpcTimeout) {
  IteratorEntryInteger, Call itor = calls.entrySet().iterator();
  while (itor.hasNext()) {
Call c = itor.next().getValue();
long waitTime = System.currentTimeMillis() - c.getStartTime();
if (waitTime = rpcTimeout) {
  c.setException(closeException); // local exception
  synchronized (c) {
c.notifyAll() ;
  }
{code}

Now adding some debugging in there (printing a WARN and doing a continue 
instead of setting the exception), the call never gets a SocketTimeoutException 
set like it's supposed to be. It's just hanging around...

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

--
This message is automatically

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-02-24 Thread Lars Hofhansl (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13216301#comment-13216301
 ] 

Lars Hofhansl commented on HBASE-4890:
--

HBASE-5336 might be related.

 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh
Priority: Blocker
 Fix For: 0.92.1


 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

2012-01-26 Thread Simon Dircks (Commented) (JIRA)


[ 
https://issues.apache.org/jira/browse/HBASE-4890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13194057#comment-13194057
 ] 

Simon Dircks commented on HBASE-4890:
-

I was also able to reproduce this:

hadoop-1.0 and hbase-0.92 with YCSB. 

2012/01/25 15:19:24 WARN client.HConnectionManager$HConnectionImplementation: 
Failed all from 
region=usertable,user3076346045817661344,1327530607222.bab55fba6adb17bc8757eb6cdee99a91.,
 hostname=datatask6.hadoop.telescope.tv, port=60020
java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
java.lang.NullPointerException

Got this error on the LOAD part of YCSB

/usr/local/bin/java -cp build/ycsb.jar:db/hbase/lib/*:db/hbase/conf/ 
com.yahoo.ycsb.Client -load -db com.yahoo.ycsb.db.HBaseClient -P 
workloads/workloada -p columnfamily=family1 -p recordcount=500 -s  load.dat



 fix possible NPE in HConnectionManager
 --

 Key: HBASE-4890
 URL: https://issues.apache.org/jira/browse/HBASE-4890
 Project: HBase
  Issue Type: Bug
Affects Versions: 0.92.0
Reporter: Jonathan Hsieh

 I was running YCSB against a 0.92 branch and encountered this error message:
 {code}
 11/11/29 08:47:16 WARN client.HConnectionManager$HConnectionImplementation: 
 Failed all from 
 region=usertable,user3917479014967760871,1322555655231.f78d161e5724495a9723bcd972f97f41.,
  hostname=c0316.hal.cloudera.com, port=57020
 java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
 java.lang.NullPointerException
 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
 at java.util.concurrent.FutureTask.get(FutureTask.java:83)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:1501)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatch(HConnectionManager.java:1353)
 at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:898)
 at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:775)
 at org.apache.hadoop.hbase.client.HTable.put(HTable.java:750)
 at com.yahoo.ycsb.db.HBaseClient.update(Unknown Source)
 at com.yahoo.ycsb.DBWrapper.update(Unknown Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransactionUpdate(Unknown 
 Source)
 at com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(Unknown Source)
 at com.yahoo.ycsb.ClientThread.run(Unknown Source)
 Caused by: java.lang.RuntimeException: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1315)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1327)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3.call(HConnectionManager.java:1325)
 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
 at java.util.concurrent.FutureTask.run(FutureTask.java:138)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:619)
 Caused by: java.lang.NullPointerException
 at 
 org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:158)
 at $Proxy4.multi(Unknown Source)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1330)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$3$1.call(HConnectionManager.java:1328)
 at 
 org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithoutRetries(HConnectionManager.java:1309)
 ... 7 more
 {code}
 It looks like the NPE is caused by server being null in the MultiRespone 
 call() method.
 {code}
  public MultiResponse call() throws IOException {
  return getRegionServerWithoutRetries(
  new ServerCallableMultiResponse(connection, tableName, null) {
public MultiResponse call() throws IOException {
  return server.multi(multi);
}
@Override
public void connect(boolean reload) throws IOException {
  server =
connection.getHRegionConnection(loc.getHostname(), 
 loc.getPort());
}
  }
  );
 {code}

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[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

[jira] [Commented] (HBASE-4890) fix possible NPE in HConnectionManager

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