[PHOENIX-875] NPE when running end2end tests against a live cluster

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0, 4.0.0
• Assignee: Jeffrey Zhong
• Reporter: Jeffrey Zhong
• Created: 18/Mar/14 22:42
• Updated: 21/Nov/15 02:18
• Resolved: 19/Mar/14 03:42

Description

Below is the error stack trace. The cause is that MetaDataEndpointImpl#loadTable doesn't check if a table is a deleted marker after the line

PTable table = metaDataCache.getIfPresent(cacheKey);

.

2014-03-18 10:54:06,633 ERROR [RpcServer.handler=8,port=60020] coprocessor.MetaDataEndpointImpl: dropTable failed
java.lang.NullPointerException
        at org.apache.phoenix.schema.PTableImpl.toProto(PTableImpl.java:892)
        at org.apache.phoenix.coprocessor.MetaDataProtocol$MetaDataMutationResult.toProto(MetaDataProtocol.java:184)
        at org.apache.phoenix.coprocessor.MetaDataEndpointImpl.dropTable(MetaDataEndpointImpl.java:934)
        at org.apache.phoenix.coprocessor.generated.MetaDataProtos$MetaDataService.callMethod(MetaDataProtos.java:6565)
        at org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:5489)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.execService(HRegionServer.java:3297)
        at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:28865)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2008)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:92)
        at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)
        at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)
        at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)
        at java.lang.Thread.run(Thread.java:722)