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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AXIS2-5661) Axis2 1.6.2 @ Websphere 8.5 emits NumberFormatException intermittently.
Date Tue, 18 Apr 2017 22:41:41 GMT

    [ https://issues.apache.org/jira/browse/AXIS2-5661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15973642#comment-15973642
] 

Hudson commented on AXIS2-5661:
-------------------------------

SUCCESS: Integrated in Jenkins build Axis2 #3687 (See [https://builds.apache.org/job/Axis2/3687/])
AXIS2-5661: Ignore empty values for the http.proxyPort system property. (veithen: rev 1791838)
* (edit) axis2/modules/transport/http-hc3/src/main/java/org/apache/axis2/transport/http/impl/httpclient3/HTTPProxyConfigurator.java
* (edit) axis2/modules/transport/http/src/org/apache/axis2/transport/http/impl/httpclient4/HTTPProxyConfigurator.java


> Axis2 1.6.2 @ Websphere 8.5 emits NumberFormatException intermittently.
> -----------------------------------------------------------------------
>
>                 Key: AXIS2-5661
>                 URL: https://issues.apache.org/jira/browse/AXIS2-5661
>             Project: Axis2
>          Issue Type: Improvement
>          Components: transports
>    Affects Versions: 1.6.2
>         Environment: Websphere 8.5 on Linux
>            Reporter: ARUNKUMAR NOHWAR
>              Labels: easyfix, patch
>         Attachments: AXIS-5661.patch
>
>
> Recently we upgraded from[Axis2-1.4.1 on Websphere-7.0] to [Axis2-1.6.2 on Websphere-8.5].
And the same application code start giving an intermittent exception. The stacktrace of the
exception can be found at the end of the description.
> Analysis - 
> The creation of these system properties is the root cause of the issue.
> http.proxyHost  and   http.proxyPort
> These system porperties are created with non-null but empty string "" values.
> We find that our application has no logic to create these properties. These properties
probably created by a 3rd party library or websphere server.
> Workaround -
> We write a code to remove these system properties (System.clearProperty()) just before
the flow goes to Axis2 part of the application.
> We cannot write this code during application startup as these properties are created
intermittently when the application is running for few days and the exception appears again.
> Recommendations -
> In this axis code 
> package    org.apache.axis2.transport.http.util
> class          HTTPProxyConfigurationUtil
> method       configure(MessageContext messageContext,
>                                  HttpClient httpClient,
>                                  HostConfiguration config) 
> the exception appears at the following line of code -
>         String port = System.getProperty(HTTP_PROXY_PORT);
>         if(port != null) {
>             proxyPort = Integer.parseInt(port);
>         }
> This is because the non-null but empty-string ("") valued key HTTP_PROXY_PORT, results
in NumberFormatException.
> Can we please add an empty-string value check in the "if" condition ?
> Adding further thse empty-string valued keys, both host and port, might overwrite the
correct values built from axis2.xml. Hence we can apply the same checks to both of the system
properties - host and port - if conditions.
> StackTrace -
> java.lang.reflect.InvocationTargetException
>                 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>                 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
>                 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
>                 at java.lang.reflect.Method.invoke(Method.java:611)
> …….
>                 at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
>                 at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
>                 at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
>                 at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1862)
> Caused by: java.lang.NumberFormatException: For input string: ""
>                 at java.lang.NumberFormatException.forInputString(NumberFormatException.java:59)
>                 at java.lang.Integer.parseInt(Integer.java:481)
>                 at java.lang.Integer.parseInt(Integer.java:510)
>                 at org.apache.axis2.transport.http.util.HTTPProxyConfigurationUtil.configure(HTTPProxyConfigurationUtil.java:154)
>                 at org.apache.axis2.transport.http.AbstractHTTPSender.getHostConfiguration(AbstractHTTPSender.java:294)
>                 at org.apache.axis2.transport.http.AbstractHTTPSender.executeMethod(AbstractHTTPSender.java:591)
>                 at org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:193)
>                 at org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:75)
>                 at org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:404)
>                 at org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:231)
>                 at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:443)
>                 at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:406)
>                 at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
>                 at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)



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