[RANGER-4838] RangerAuthorizationCoprocessor throw NPE cause RegionServer abort.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 2.3.0
• Component/s: plugins
• Assignee: Unassigned
• Reporter: chaijunjie
• Created: 01/Jul/24 02:31
• Updated: 11/Jul/24 01:49
• Resolved: 11/Jul/24 01:49

Description

When do scan/put for hbase at same time, ranger coprocesser will throw NEP Occasionally.

 

2024-07-01 03:58:20,189 | ERROR | RpcServer.default.FPBQ.Fifo.handler=147,queue=7,port=21026 | ***** ABORTING region server 8-5-242-2,21026,1719568319913: The coprocessor org.apache.ranger.auth****##****erAuth***##***** threw java.lang.NullPointerException ***** | org.slf4j.helpers.MarkerIgnoringBase.error(MarkerIgnoringBase.java:159)
java.lang.NullPointerException
        at java.lang.ThreadLocal$ThreadLocalMap.expungeStaleEntry(ThreadLocal.java:615)
        at java.lang.ThreadLocal$ThreadLocalMap.remove(ThreadLocal.java:520)
        at java.lang.ThreadLocal$ThreadLocalMap.access$200(ThreadLocal.java:319)
        at java.lang.ThreadLocal.remove(ThreadLocal.java:242)
        at org.apache.ranger.plugin.classloader.RangerPluginClassLoader.deactivate(RangerPluginClassLoader.java:280)
        at org.apache.ranger.authorization.hbase.RangerAuthorizationCoprocessor.deactivatePluginClassLoader(RangerAuthorizationCoprocessor.java:2865)
        at org.apache.ranger.authorization.hbase.RangerAuthorizationCoprocessor.postStartRegionOperation(RangerAuthorizationCoprocessor.java:1530)
        at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$56.call(RegionCoprocessorHost.java:1495)
        at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$56.call(RegionCoprocessorHost.java:1492)
        at org.apache.hadoop.hbase.coprocessor.CoprocessorHost$ObserverOperationWithoutResult.callObserver(CoprocessorHost.java:589)
        at org.apache.hadoop.hbase.coprocessor.CoprocessorHost.execOperation(CoprocessorHost.java:662)
        at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.postStartRegionOperation(RegionCoprocessorHost.java:1492)
        at org.apache.hadoop.hbase.regionserver.HRegion.startRegionOperation(HRegion.java:8968)
        at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3723)
        at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:4096)
        at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:45583)
        at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:514)
        at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:123)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:369)
        at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:349)