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From "Sanjeet Karamchandani (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CXF-6354) NullPointer exception in cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:719)
Date Thu, 16 Apr 2015 12:19:58 GMT

     [ https://issues.apache.org/jira/browse/CXF-6354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sanjeet Karamchandani updated CXF-6354:
---------------------------------------
    Summary: NullPointer exception in cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:719)
 (was: NullPointer exception in )

> NullPointer exception in cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:719)
> -------------------------------------------------------------------------------
>
>                 Key: CXF-6354
>                 URL: https://issues.apache.org/jira/browse/CXF-6354
>             Project: CXF
>          Issue Type: Bug
>    Affects Versions: 2.7.2
>            Reporter: Sanjeet Karamchandani
>            Priority: Critical
>
> I have a requirement where I need to move a webservice call to a seperate thread so that
I could retry if it doesn't complete within a time limit. To achieve I moved my webservice
call to a futuretask and in my main thread I am doing a task.get(timeout). A webservice call
that is normally completed in few miliseconds doesn't complete even after 10 mins if I move
it into a seperate thread call.
> Is there a problem with CXF. I am getting a NullPointer exception around the cxf.endpoint.ClientImpl.onMessage()
call. Stacktrace at the end.
> I am including the code thats causing problems only when I move the call in a seperate
thread.
> @Override
> 	public IRuleSet loadRuleSet(String ruleSetName) throws RulesEngineException {
> 		IRuleSet ruleSet=null;
> 		ExecutorService executor = Executors.newFixedThreadPool(1);
> 		
> 		for (IRuleSetLoader ruleSetLoader : loaders) {
> 			try {
> 				FutureTask<IRuleSet> task = new FutureTask<IRuleSet>(new LoaderTask(ruleSetLoader,
ruleSetName));
> 				executor.submit(task);
> 				
> 				long timeout=30;
> 				try{			
> 					ruleSet = task.get(timeout, TimeUnit.SECONDS);
> 				}catch(Exception e) {
> 					LOGGER.info("202::Exception", e);
> 				}
>                                 // if  I uncomment the below call and comment the above
task submit it works perfectly fine.
> 				//ruleSet = ruleSetLoader.loadRuleSet(ruleSetName);
> 				if (ruleSet != null){
> 					return ruleSet;
> 				}else {
> 					ruleSet = ruleSetLoader.loadRuleSet(ruleSetName);
> 				}
> 			} catch (Exception e) {
> 				LOGGER.info("Failed to load rule set " + ruleSetName + " using ruleSetLoader:" +
ruleSetLoader.getClass(), e);
> 			}
> 		}
> 		throw new RulesEngineException("Unable to load RuleSet " + ruleSetName);
> 	}
> private final static class LoaderTask implements Callable<IRuleSet> {
> 		private final IRuleSetLoader ruleSetLoader;
> 		private final String ruleSetName;
> 		private LoaderTask(IRuleSetLoader ruleSetLoader, String ruleSetName) {
> 			this.ruleSetLoader = ruleSetLoader;
> 			this.ruleSetName = ruleSetName;
> 		}
> 		@Override
> 		public IRuleSet call() throws Exception {
> 			LOGGER.info("Starting task.");
> 			IRuleSet ruleSet=null;
> 			
> 			try {
> 				ruleSet = ruleSetLoader.loadRuleSet(ruleSetName);
> 				
> 			} catch (Exception e) {
> 				LOGGER.info("101::Exception encountered", e);				
> 			}			
> 			
> 			return ruleSet;
> 		}		
> 		
> 	}
> // stacktrace
> 17:41:50.940 [pool-3-thread-1] WARN  o.a.c.p.PhaseInterceptorChain - Interceptor for
{http://readonly.webservice.rulesengine.tbea.jpm.com/}IRulesEngineReadOnlyWebServiceService#{http://readonly.webservice.rulesengine.tbea.jpm.com/}getRuleSet
has thrown exception, unwinding now
> java.lang.NullPointerException: NullPointerException invoking http://psie0p111.svr.emea.jpmchase.net:17190/rules-engine-web/5/rulesEngineReadOnlyWebService:
null
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.7.0_67]
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
~[na:1.7.0_67]
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
~[na:1.7.0_67]
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:526) ~[na:1.7.0_67]
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1336)
~[cxf-rt-transports-http-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1325)
~[cxf-rt-transports-http-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.io.AbstractWrappedOutputStream.close(AbstractWrappedOutputStream.java:77)
~[cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.io.AbstractThresholdOutputStream.close(AbstractThresholdOutputStream.java:102)
~[cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.io.CacheAndWriteOutputStream.postClose(CacheAndWriteOutputStream.java:50)
~[cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.io.CachedOutputStream.close(CachedOutputStream.java:229) ~[cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56) ~[cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:622) ~[cxf-rt-transports-http-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
~[cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:271)
~[cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:530) [cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:463) [cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:366) [cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:319) [cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96) [cxf-rt-frontend-simple-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:133) [cxf-rt-frontend-jaxws-2.7.2.jar:2.7.2]
> 	at com.sun.proxy.$Proxy75.getRuleSet(Unknown Source) [na:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.WebServiceRuleSetLoader.loadRuleSet(WebServiceRuleSetLoader.java:35)
[classes/:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.JanusAuthenticatedWebServiceRuleSetLoader.loadRuleSet(JanusAuthenticatedWebServiceRuleSetLoader.java:67)
[classes/:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.FailoverRuleSetLoader$LoaderTask.call(FailoverRuleSetLoader.java:124)
[classes/:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.FailoverRuleSetLoader$LoaderTask.call(FailoverRuleSetLoader.java:1)
[classes/:na]
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_67]
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_67]
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_67]
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_67]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_67]
> 	at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]
> Caused by: java.lang.NullPointerException: null
> 	at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:719) [cxf-api-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1590)
~[cxf-rt-transports-http-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1488)
~[cxf-rt-transports-http-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1307)
~[cxf-rt-transports-http-2.7.2.jar:2.7.2]
> 	... 25 common frames omitted
> 17:41:50.941 [pool-3-thread-1] INFO  c.j.t.r.c.l.i.FailoverRuleSetLoader - 101::Exception
encountered
> java.lang.NullPointerException: null
> 	at org.apache.cxf.jaxws.JaxWsClientProxy.addressChanged(JaxWsClientProxy.java:248) ~[cxf-rt-frontend-jaxws-2.7.2.jar:2.7.2]
> 	at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:166) ~[cxf-rt-frontend-jaxws-2.7.2.jar:2.7.2]
> 	at com.sun.proxy.$Proxy75.getRuleSet(Unknown Source) ~[na:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.WebServiceRuleSetLoader.loadRuleSet(WebServiceRuleSetLoader.java:35)
~[classes/:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.JanusAuthenticatedWebServiceRuleSetLoader.loadRuleSet(JanusAuthenticatedWebServiceRuleSetLoader.java:67)
~[classes/:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.FailoverRuleSetLoader$LoaderTask.call(FailoverRuleSetLoader.java:124)
[classes/:na]
> 	at com.jpm.tbea.rulesengine.core.load.impl.FailoverRuleSetLoader$LoaderTask.call(FailoverRuleSetLoader.java:1)
[classes/:na]
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_67]
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_67]
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_67]
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_67]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_67]
> 	at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]



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