Josh Elser created HBASE-23722:
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             Summary: TestCustomSaslAuthenticationProvider failing in nightlies
                 Key: HBASE-23722
                 URL: https://issues.apache.org/jira/browse/HBASE-23722
             Project: HBase
          Issue Type: Sub-task
            Reporter: Josh Elser
            Assignee: Josh Elser


{noformat}
2020-01-22 21:15:57,250 DEBUG 
[hconnection-0x5f0ea4c6-metaLookup-shared--pool15-t14] 
client.RpcRetryingCallerImpl(132): Call exception, tries=10, retries=16, 
started=38409 ms ago, cancelled=false, msg=Call to 
a8b44f950ced/172.17.0.3:42595 failed on local exception: java.io.IOException: 
java.lang.NullPointerException, details=row 
'testPositiveAuthentication,r1,99999999999999' on table 'hbase:meta' at 
region=hbase:meta,,1.1588230740, hostname=a8b44f950ced,42595,1579726988645, 
seqNum=-1, see https://s.apache.org/timeout, exception=java.io.IOException: 
Call to a8b44f950ced/172.17.0.3:42595 failed on local exception: 
java.io.IOException: java.lang.NullPointerException
        at sun.reflect.GeneratedConstructorAccessor40.newInstance(Unknown 
Source)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:220)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:378)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:91)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:409)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:405)
        at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:117)
        at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:132)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.callMethod(AbstractRpcClient.java:422)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:316)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$200(AbstractRpcClient.java:91)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:571)
        at 
org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$BlockingStub.scan(ClientProtos.java:42810)
        at 
org.apache.hadoop.hbase.client.ScannerCallable.openScanner(ScannerCallable.java:332)
        at 
org.apache.hadoop.hbase.client.ScannerCallable.rpcCall(ScannerCallable.java:242)
        at 
org.apache.hadoop.hbase.client.ScannerCallable.rpcCall(ScannerCallable.java:58)
        at 
org.apache.hadoop.hbase.client.RegionServerCallable.call(RegionServerCallable.java:127)
        at 
org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithoutRetries(RpcRetryingCallerImpl.java:192)
        at 
org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:396)
        at 
org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:370)
        at 
org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:107)
        at 
org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:80)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: java.lang.NullPointerException
        at org.apache.hadoop.hbase.ipc.IPCUtil.toIOE(IPCUtil.java:154)
        ... 17 more
Caused by: java.lang.NullPointerException
        at 
org.apache.hadoop.hbase.security.provider.BuiltInProviderSelector.selectProvider(BuiltInProviderSelector.java:128)
        at 
org.apache.hadoop.hbase.security.provider.TestCustomSaslAuthenticationProvider$InMemoryProviderSelector.selectProvider(TestCustomSaslAuthenticationProvider.java:390)
        at 
org.apache.hadoop.hbase.security.provider.SaslClientAuthenticationProviders.selectProvider(SaslClientAuthenticationProviders.java:214)
        at 
org.apache.hadoop.hbase.ipc.RpcConnection.<init>(RpcConnection.java:106)
        at 
org.apache.hadoop.hbase.ipc.BlockingRpcConnection.<init>(BlockingRpcConnection.java:219)
        at 
org.apache.hadoop.hbase.ipc.BlockingRpcClient.createConnection(BlockingRpcClient.java:72)
        at 
org.apache.hadoop.hbase.ipc.BlockingRpcClient.createConnection(BlockingRpcClient.java:38)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.getConnection(AbstractRpcClient.java:350)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.callMethod(AbstractRpcClient.java:419)
        ... 16 more
 {noformat}
Figure out what's goin on.



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