[ 
https://issues.apache.org/jira/browse/GEODE-7880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Anilkumar Gingade updated GEODE-7880:
-------------------------------------
    Description: 
NPEs observed in testing, caused by:

* {{ConnectionManagerImpl}} throws a {{NoAvailableServersException}} with no 
exception message.
* {{PoolImpl.calculateRetryAttempts()}} attempts to examine the content of the 
exception message without first checking for {{null}}.

This is caused by the checkin relating to: GEODE-6536 which added/modified the 
borrowConnection.
commit sha: 86defd40c6ba558b53753c51176e05f009bb32c3

There are two kinds of issues observed:

1. NPE
Stack trace:
{noformat}
org.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerExceptionorg.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerException
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:215)
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeFunction(ServerRegionFunctionExecutor.java:156)
  at 
org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:397)
  at 
org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:402)
  at resumeTx.ResumeTxTest.begin(ResumeTxTest.java:455)
  at resumeTx.ResumeTxTest.doTransactions(ResumeTxTest.java:285)
  at resumeTx.ResumeTxTest.concTxWithFE(ResumeTxTest.java:146)
  at resumeTx.ResumeTxTest.HydraTask_concTxWithFE(ResumeTxTest.java:131)
  at hydra.TestTask.execute(TestTask.java:197)
Caused by: java.lang.NullPointerException
  at 
org.apache.geode.cache.client.internal.PoolImpl.calculateRetryAttempts(PoolImpl.java:1610)
  at 
org.apache.geode.cache.client.internal.SingleHopClientExecutor.submitAllHA(SingleHopClientExecutor.java:124)
  at 
org.apache.geode.cache.client.internal.ExecuteRegionFunctionSingleHopOp.execute(ExecuteRegionFunctionSingleHopOp.java:88)
  at 
org.apache.geode.cache.client.internal.ServerRegionProxy.executeFunction(ServerRegionProxy.java:727)
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:206)

org.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerExceptionorg.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerException
Caused by: java.lang.NullPointerException
{noformat}

2. NoAvailableServersException

{noformat}
Caused by: org.apache.geode.cache.execute.FunctionException: 
org.apache.geode.cache.client.NoAvailableServersException
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:215)
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeFunction(ServerRegionFunctionExecutor.java:158)
  at 
org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:397)
  at 
org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:402)
  at 
parReg.execute.HAExceptionHandlingTest.doRandomFunctionExecutions(HAExceptionHandlingTest.java:268)
  ... 9 more
Caused by: org.apache.geode.cache.client.NoAvailableServersException
  at 
org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl.borrowConnection(ConnectionManagerImpl.java:332)
  at 
org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl.borrowConnection(ConnectionManagerImpl.java:70)
  at 
org.apache.geode.cache.client.internal.OpExecutorImpl.executeOnServer(OpExecutorImpl.java:329)
  at 
org.apache.geode.cache.client.internal.OpExecutorImpl.executeOn(OpExecutorImpl.java:303)
  at 
org.apache.geode.cache.client.internal.PoolImpl.executeOn(PoolImpl.java:834)
  at 
org.apache.geode.cache.client.internal.SingleHopOperationCallable.call(SingleHopOperationCallable.java:52)
  at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:834)
{noformat}






  was:
NPEs observed in testing, caused by:

* {{ConnectionManagerImpl}} throws a {{NoAvailableServersException}} with no 
exception message.
* {{PoolImpl.calculateRetryAttempts()}} attempts to examine the content of the 
exception message without first checking for {{null}}.


Stack trace:

org.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerExceptionorg.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerException
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:215)
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeFunction(ServerRegionFunctionExecutor.java:156)
  at 
org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:397)
  at 
org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:402)
  at resumeTx.ResumeTxTest.begin(ResumeTxTest.java:455)
  at resumeTx.ResumeTxTest.doTransactions(ResumeTxTest.java:285)
  at resumeTx.ResumeTxTest.concTxWithFE(ResumeTxTest.java:146)
  at resumeTx.ResumeTxTest.HydraTask_concTxWithFE(ResumeTxTest.java:131)
  at hydra.TestTask.execute(TestTask.java:197)
Caused by: java.lang.NullPointerException
  at 
org.apache.geode.cache.client.internal.PoolImpl.calculateRetryAttempts(PoolImpl.java:1610)
  at 
org.apache.geode.cache.client.internal.SingleHopClientExecutor.submitAllHA(SingleHopClientExecutor.java:124)
  at 
org.apache.geode.cache.client.internal.ExecuteRegionFunctionSingleHopOp.execute(ExecuteRegionFunctionSingleHopOp.java:88)
  at 
org.apache.geode.cache.client.internal.ServerRegionProxy.executeFunction(ServerRegionProxy.java:727)
  at 
org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:206)

org.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerExceptionorg.apache.geode.cache.execute.FunctionException: 
java.lang.NullPointerException
Caused by: java.lang.NullPointerException

Another issue with the 





> Null exception message causes NPE when calculating pool retries
> ---------------------------------------------------------------
>
>                 Key: GEODE-7880
>                 URL: https://issues.apache.org/jira/browse/GEODE-7880
>             Project: Geode
>          Issue Type: Bug
>          Components: client/server
>            Reporter: Dale Emery
>            Assignee: Dale Emery
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> NPEs observed in testing, caused by:
> * {{ConnectionManagerImpl}} throws a {{NoAvailableServersException}} with no 
> exception message.
> * {{PoolImpl.calculateRetryAttempts()}} attempts to examine the content of 
> the exception message without first checking for {{null}}.
> This is caused by the checkin relating to: GEODE-6536 which added/modified 
> the borrowConnection.
> commit sha: 86defd40c6ba558b53753c51176e05f009bb32c3
> There are two kinds of issues observed:
> 1. NPE
> Stack trace:
> {noformat}
> org.apache.geode.cache.execute.FunctionException: 
> java.lang.NullPointerExceptionorg.apache.geode.cache.execute.FunctionException:
>  java.lang.NullPointerException
>   at 
> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:215)
>   at 
> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeFunction(ServerRegionFunctionExecutor.java:156)
>   at 
> org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:397)
>   at 
> org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:402)
>   at resumeTx.ResumeTxTest.begin(ResumeTxTest.java:455)
>   at resumeTx.ResumeTxTest.doTransactions(ResumeTxTest.java:285)
>   at resumeTx.ResumeTxTest.concTxWithFE(ResumeTxTest.java:146)
>   at resumeTx.ResumeTxTest.HydraTask_concTxWithFE(ResumeTxTest.java:131)
>   at hydra.TestTask.execute(TestTask.java:197)
> Caused by: java.lang.NullPointerException
>   at 
> org.apache.geode.cache.client.internal.PoolImpl.calculateRetryAttempts(PoolImpl.java:1610)
>   at 
> org.apache.geode.cache.client.internal.SingleHopClientExecutor.submitAllHA(SingleHopClientExecutor.java:124)
>   at 
> org.apache.geode.cache.client.internal.ExecuteRegionFunctionSingleHopOp.execute(ExecuteRegionFunctionSingleHopOp.java:88)
>   at 
> org.apache.geode.cache.client.internal.ServerRegionProxy.executeFunction(ServerRegionProxy.java:727)
>   at 
> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:206)
> org.apache.geode.cache.execute.FunctionException: 
> java.lang.NullPointerExceptionorg.apache.geode.cache.execute.FunctionException:
>  java.lang.NullPointerException
> Caused by: java.lang.NullPointerException
> {noformat}
> 2. NoAvailableServersException
> {noformat}
> Caused by: org.apache.geode.cache.execute.FunctionException: 
> org.apache.geode.cache.client.NoAvailableServersException
>   at 
> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:215)
>   at 
> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeFunction(ServerRegionFunctionExecutor.java:158)
>   at 
> org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:397)
>   at 
> org.apache.geode.internal.cache.execute.AbstractExecution.execute(AbstractExecution.java:402)
>   at 
> parReg.execute.HAExceptionHandlingTest.doRandomFunctionExecutions(HAExceptionHandlingTest.java:268)
>   ... 9 more
> Caused by: org.apache.geode.cache.client.NoAvailableServersException
>   at 
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl.borrowConnection(ConnectionManagerImpl.java:332)
>   at 
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl.borrowConnection(ConnectionManagerImpl.java:70)
>   at 
> org.apache.geode.cache.client.internal.OpExecutorImpl.executeOnServer(OpExecutorImpl.java:329)
>   at 
> org.apache.geode.cache.client.internal.OpExecutorImpl.executeOn(OpExecutorImpl.java:303)
>   at 
> org.apache.geode.cache.client.internal.PoolImpl.executeOn(PoolImpl.java:834)
>   at 
> org.apache.geode.cache.client.internal.SingleHopOperationCallable.call(SingleHopOperationCallable.java:52)
>   at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>   at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>   at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>   at java.base/java.lang.Thread.run(Thread.java:834)
> {noformat}



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