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https://wso2.org/jira/browse/WSAS-775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17322#action_17322
]
sumedha rubasinghe commented on WSAS-775:
-----------------------------------------
Looks like the problem is coming from XSLTs being used in Try-It. Keith is
taking a look.
> Stackoverflow error occurs when trying to invoke a data service if the nested
> queries use the same table
> --------------------------------------------------------------------------------------------------------
>
> Key: WSAS-775
> URL: https://wso2.org/jira/browse/WSAS-775
> Project: WSO2 WSAS
> Issue Type: Bug
> Components: data-services
> Affects Versions: Nightly
> Environment: winxp, jdk15
> Reporter: Charitha Kankanamge
> Assignee: sumedha rubasinghe
> Priority: Critical
> Attachments: NestedQueryTest.dbs
>
>
> Please deploy the attached data service which has following nested query. You
> may notice that a result element of a one query calls another query and both
> queries use the same table. This issue will not be occurred if you call
> queries of two different tables.
> <query id="q4">
> <sql>select * from employee where name=?</sql>
> <param name="name" sqlType="STRING" type="" ordinal="" />
> <result element="employees" rowName="employee">
> <element name="id" column="id" />
> <element name="name" column="name" />
> </result>
> </query>
> <query id="q5">
> <sql>select * from employee where id=?</sql>
> <param name="id" sqlType="INTEGER" type="" ordinal="" />
> <result element="employees" rowName="employee">
> <call-query href="q4">
> <with-param name="name" query-param="name" />
> </call-query>
> <element name="address" column="address" />
> </result>
> </query>
> Following exception thrown when accessing tryit page of this data service.
> ERROR [2008-06-06 13:55:09,250] Exception occurred while trying to invoke
> service method generate
> java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:194)
> at
> org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:102)
> at
> org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
> at
> org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100)
> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176)
> at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
> at
> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:131)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> org.wso2.adminui.AdminUIServletFilter.doFilter(AdminUIServletFilter.java:142)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
> at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
> at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
> at java.lang.Thread.run(Thread.java:595)
> Caused by: java.lang.StackOverflowError
> at
> org.apache.xpath.VariableStack.getLocalVariable(VariableStack.java:332)
> at org.apache.xpath.operations.Variable.execute(Variable.java:214)
> at org.apache.xpath.operations.Variable.execute(Variable.java:186)
> at
> org.apache.xpath.functions.FuncContains.execute(FuncContains.java:44)
> at org.apache.xpath.Expression.bool(Expression.java:184)
> at org.apache.xpath.XPath.bool(XPath.java:410)
> at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:124)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at
> org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:392)
> at
> org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:246)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at
> org.apache.xalan.transformer.TransformerImpl.transformToString(TransformerImpl.java:2098)
> at
> org.apache.xalan.templates.ElemAttribute.constructNode(ElemAttribute.java:187)
> at
> org.apache.xalan.templates.ElemElement.execute(ElemElement.java:288)
> at
> org.apache.xalan.templates.ElemAttribute.execute(ElemAttribute.java:108)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:160)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139)
> at
> org.apache.xalan.templates.ElemForEach.transformSelectedNodes(ElemForEach.java:423)
> at
> org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:263)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at
> org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at
> org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:392)
> at
> org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:246)
> at
> org.apache.xalan.templates.ElemForEach.transformSelectedNodes(ElemForEach.java:423)
> at
> org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:263)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:160)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at org.apache.xalan.templates.ElemChoose.execute(ElemChoose.java:139)
> at
> org.apache.xalan.templates.ElemForEach.transformSelectedNodes(ElemForEach.java:423)
> at
> org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:263)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at
> org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1374)
> at
> org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
> at
> org.apache.xalan.templates.ElemTemplate.execute(ElemTemplate.java:392)
> at
> org.apache.xalan.templates.ElemCallTemplate.execute(ElemCallTemplate.java:246)
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