[
https://issues.apache.org/jira/browse/HBASE-13040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14321317#comment-14321317
]
Sean Busbey commented on HBASE-13040:
-------------------------------------
{quote}
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
@@ -57,14 +57,12 @@ import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.HRegionLocation;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.MasterNotRunningException;
import org.apache.hadoop.hbase.MetaTableAccessor;
import org.apache.hadoop.hbase.NamespaceDescriptor;
import org.apache.hadoop.hbase.NamespaceNotFoundException;
import org.apache.hadoop.hbase.PleaseHoldException;
-import org.apache.hadoop.hbase.RegionLocations;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerLoad;
import org.apache.hadoop.hbase.ServerName;
@@ -109,7 +107,6 @@ import org.apache.hadoop.hbase.monitoring.MonitoredTask;
import org.apache.hadoop.hbase.monitoring.TaskMonitor;
import org.apache.hadoop.hbase.procedure.MasterProcedureManagerHost;
import
org.apache.hadoop.hbase.procedure.flush.MasterFlushTableProcedureManager;
-import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.RegionServerInfo;
import
org.apache.hadoop.hbase.protobuf.generated.ZooKeeperProtos.SplitLogTask.RecoveryMode;
import org.apache.hadoop.hbase.quotas.MasterQuotaManager;
@@ -125,7 +122,6 @@ import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.CompressionTest;
import org.apache.hadoop.hbase.util.EncryptionTest;
import org.apache.hadoop.hbase.util.FSUtils;
-import org.apache.hadoop.hbase.util.HBaseFsckRepair;
import org.apache.hadoop.hbase.util.HFileArchiveUtil;
import org.apache.hadoop.hbase.util.HasThread;
import org.apache.hadoop.hbase.util.Pair;
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
index 4af53a4..efbf96b 100644
---
a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
+++
b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
@@ -35,7 +35,6 @@ import org.apache.hadoop.hbase.PleaseHoldException;
import org.apache.hadoop.hbase.ServerLoad;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
-import org.apache.hadoop.hbase.TableNotFoundException;
import org.apache.hadoop.hbase.UnknownRegionException;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.client.TableState;
{quote}
Please don't include this unrelated cleanup.
> Possible failure of TestHMasterRPCException
> -------------------------------------------
>
> Key: HBASE-13040
> URL: https://issues.apache.org/jira/browse/HBASE-13040
> Project: HBase
> Issue Type: Bug
> Components: test
> Affects Versions: 1.0.0, 2.0.0, 1.1.0
> Reporter: zhangduo
> Assignee: zhangduo
> Fix For: 2.0.0, 1.0.1, 1.1.0
>
> Attachments: HBASE-13040.patch, HBASE-13040_1.patch
>
>
> When addressing HBASE-13011, TestHMasterRPCException failed twice in
> PreCommit Build.
> I found that the test itself has a problem. We start a HMaster, and then we
> continue calling isMasterRunning and expected a ServerNotRunningYetException.
> But it is possible that when we connect to HMaster, it has already finished
> initialization, and we just get a 'true' response instead of an
> Exception.(Just add a 'Thread.sleep(1000);' after 'HMaster hm = new
> HMaster(conf, cp);', you can get a stable failure).
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