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From "Dmitriy Fedoriv (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CXF-6408) HTTP Conduit throws NPE exception for "invalid" 401 HTTP response
Date Mon, 18 May 2015 17:59:00 GMT

     [ https://issues.apache.org/jira/browse/CXF-6408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmitriy Fedoriv updated CXF-6408:
---------------------------------
    Description: 
Hi guys,

In process of using RESTful client based on Apache CXF JAX-RS with activated auto-redirect
option, I observed NPE on my logs. The short investigation shows that the problem was caused
by Web Service side, that send "401 Unauthorized" HTTP response without "WWW-Authenticate"
header.

In this case, on HTTPConduit class when we try to handle retransmits (by auto-redirect option),
we expect that response message MUST contains authentication params, but header map doesn't
contain it. As a result we observe the following exception:

2015-05-18 21:43:12,730 [WARN|org.apache.cxf.phase.PhaseInterceptorChain|LogUtils] Interceptor
for {<TEST_SERVER>}WebClient has thrown exception, unwinding now
java.lang.NullPointerException: NullPointerException invoking <TEST_SERVER>: null
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1359)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1348)
	at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
	at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:638)
	at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
	at org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:619)
	at org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:1084)
	at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:883)
	at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:854)
	at org.apache.cxf.jaxrs.client.WebClient.invoke(WebClient.java:320)
	at org.apache.cxf.jaxrs.client.WebClient.get(WebClient.java:346)
	at com.edifecs.etools.xeserver.restful.client.transport.impl.Test.main(Test.java:40)
Caused by: java.lang.NullPointerException
	at org.apache.cxf.transport.http.auth.HttpAuthHeader.<init>(HttpAuthHeader.java:52)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.authorizationRetransmit(HTTPConduit.java:1480)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.processRetransmit(HTTPConduit.java:1420)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleRetransmits(HTTPConduit.java:1395)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1522)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1330)
	... 11 more

I understand  that described case is invalid by server, but I think it will be cool if we
log some more informative. For example: "Authentication parameters is not specified".

Thank you!

  was:
Hi guys,

In process of using RESTful client based on Apache CXF JAX-RS with activated auto-redirect
option, I observed NPE on my logs. The short investigation shows that the problem was caused
by Web Service side, that send "401 Unauthorized" HTTP response without "WWW-Authenticate".

In this case, on HTTPConduit class when we try to handle retransmits (by auto-redirect option),
we expect that response message MUST contains authentication params, but header map doesn't
contain it. As a result we observe the following exception:

2015-05-18 21:43:12,730 [WARN|org.apache.cxf.phase.PhaseInterceptorChain|LogUtils] Interceptor
for {<TEST_SERVER>}WebClient has thrown exception, unwinding now
java.lang.NullPointerException: NullPointerException invoking <TEST_SERVER>: null
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1359)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1348)
	at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
	at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:638)
	at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
	at org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:619)
	at org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:1084)
	at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:883)
	at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:854)
	at org.apache.cxf.jaxrs.client.WebClient.invoke(WebClient.java:320)
	at org.apache.cxf.jaxrs.client.WebClient.get(WebClient.java:346)
	at com.edifecs.etools.xeserver.restful.client.transport.impl.Test.main(Test.java:40)
Caused by: java.lang.NullPointerException
	at org.apache.cxf.transport.http.auth.HttpAuthHeader.<init>(HttpAuthHeader.java:52)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.authorizationRetransmit(HTTPConduit.java:1480)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.processRetransmit(HTTPConduit.java:1420)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleRetransmits(HTTPConduit.java:1395)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1522)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1330)
	... 11 more

I understand  that described case is invalid by server, but I think it will be cool if we
log some more informative. For example: "Authentication parameters is not specified".

Thank you!


> HTTP Conduit throws NPE exception for "invalid" 401 HTTP response
> -----------------------------------------------------------------
>
>                 Key: CXF-6408
>                 URL: https://issues.apache.org/jira/browse/CXF-6408
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS, Transports
>    Affects Versions: 3.0.2, 3.1.0
>         Environment: Windows 7, JDK1.7.0_65, cxf-rt-transports-http: 3.0.x
>            Reporter: Dmitriy Fedoriv
>            Priority: Minor
>
> Hi guys,
> In process of using RESTful client based on Apache CXF JAX-RS with activated auto-redirect
option, I observed NPE on my logs. The short investigation shows that the problem was caused
by Web Service side, that send "401 Unauthorized" HTTP response without "WWW-Authenticate"
header.
> In this case, on HTTPConduit class when we try to handle retransmits (by auto-redirect
option), we expect that response message MUST contains authentication params, but header map
doesn't contain it. As a result we observe the following exception:
> 2015-05-18 21:43:12,730 [WARN|org.apache.cxf.phase.PhaseInterceptorChain|LogUtils] Interceptor
for {<TEST_SERVER>}WebClient has thrown exception, unwinding now
> java.lang.NullPointerException: NullPointerException invoking <TEST_SERVER>: null
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
> 	at java.lang.reflect.Constructor.newInstance(Unknown Source)
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1359)
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1348)
> 	at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
> 	at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:638)
> 	at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
> 	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
> 	at org.apache.cxf.jaxrs.client.AbstractClient.doRunInterceptorChain(AbstractClient.java:619)
> 	at org.apache.cxf.jaxrs.client.WebClient.doChainedInvocation(WebClient.java:1084)
> 	at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:883)
> 	at org.apache.cxf.jaxrs.client.WebClient.doInvoke(WebClient.java:854)
> 	at org.apache.cxf.jaxrs.client.WebClient.invoke(WebClient.java:320)
> 	at org.apache.cxf.jaxrs.client.WebClient.get(WebClient.java:346)
> 	at com.edifecs.etools.xeserver.restful.client.transport.impl.Test.main(Test.java:40)
> Caused by: java.lang.NullPointerException
> 	at org.apache.cxf.transport.http.auth.HttpAuthHeader.<init>(HttpAuthHeader.java:52)
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.authorizationRetransmit(HTTPConduit.java:1480)
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.processRetransmit(HTTPConduit.java:1420)
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleRetransmits(HTTPConduit.java:1395)
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1522)
> 	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1330)
> 	... 11 more
> I understand  that described case is invalid by server, but I think it will be cool if
we log some more informative. For example: "Authentication parameters is not specified".
> Thank you!



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