Ted Yu created HBASE-21353:
------------------------------
Summary: TestHBCKCommandLineParsing#testCommandWithOptions hangs
on call to HBCK2#checkHBCKSupport
Key: HBASE-21353
URL: https://issues.apache.org/jira/browse/HBASE-21353
Project: HBase
Issue Type: Test
Reporter: Ted Yu
I noticed the following when running
TestHBCKCommandLineParsing#testCommandWithOptions :
{code}
"main" #1 prio=5 os_prio=31 tid=0x00007f851c800000 nid=0x1703 waiting on
condition [0x0000700000216000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000076d3055d8> (a
java.util.concurrent.CompletableFuture$Signaller)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.CompletableFuture$Signaller.block(CompletableFuture.java:1693)
at
java.util.concurrent.ForkJoinPool.managedBlock(ForkJoinPool.java:3323)
at
java.util.concurrent.CompletableFuture.waitingGet(CompletableFuture.java:1729)
at
java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
at
org.apache.hadoop.hbase.client.ConnectionImplementation.retrieveClusterId(ConnectionImplementation.java:564)
at
org.apache.hadoop.hbase.client.ConnectionImplementation.<init>(ConnectionImplementation.java:297)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
org.apache.hadoop.hbase.client.ConnectionFactory.lambda$createConnection$0(ConnectionFactory.java:229)
at
org.apache.hadoop.hbase.client.ConnectionFactory$$Lambda$11/502838712.run(Unknown
Source)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1686)
at
org.apache.hadoop.hbase.security.User$SecureHadoopUser.runAs(User.java:347)
at
org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:227)
at
org.apache.hadoop.hbase.client.ConnectionFactory.createConnection(ConnectionFactory.java:127)
at org.apache.hbase.HBCK2.checkHBCKSupport(HBCK2.java:93)
at org.apache.hbase.HBCK2.run(HBCK2.java:352)
at
org.apache.hbase.TestHBCKCommandLineParsing.testCommandWithOptions(TestHBCKCommandLineParsing.java:62)
{code}
The test doesn't spin up hbase cluster.
Hence the call to check hbck support hangs.
In HBCK2#run, we can refactor the code such that argument parsing is done prior
to calling HBCK2#checkHBCKSupport .
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