java.lang.IllegalStateException: strict servlet API: cannot call getWriter() after getOutputStream() Executing Long Running Reports
(Doc ID 1573219.1)
Last updated on APRIL 10, 2023
Applies to:
Oracle Reports Developer - Version 11.1.1.4.0 and laterOracle Forms for OCI - Version 12.2.1.4.0 and later
Information in this document applies to any platform.
Symptoms
Executing long running reports from a browser using OHS port or WLS_REPORTS port is failing with the following message:
Internet Explorer cannot display the webpage
Checking the job via showjobs shows that the report is finishing fine at back-end.
The following error is registered in WLS_REPORTS.out file:
####<Mar 28, 2013 7:50:07 AM CDT> <Error> <HTTP> <hostname.domain> <WLS_REPORTS> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <ID> <BEA-101020> <[ServletContext@10779770[app:reports module:/reports path:/reports spec-version:2.5 version:11.1.2]] Servlet failed with Exception
java.lang.IllegalStateException: strict servlet API: cannot call getWriter() after getOutputStream()
at weblogic.servlet.internal.ServletResponseImpl.getWriter(ServletResponseImpl.java:307)
at oracle.reports.rwclient.RWWriter.print(RWWriter.java:107)
at oracle.reports.rwclient.RWWriter.printErrorMsg(RWWriter.java:167)
at oracle.reports.rwclient.RWClient.handleException(RWClient.java:1465)
at oracle.reports.rwclient.RWClient.handleException(RWClient.java:1328)
at oracle.reports.rwclient.RWClient.processRequest(RWClient.java:2010)
at oracle.reports.rwclient.RWClient.doGet(RWClient.java:509)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
java.lang.IllegalStateException: strict servlet API: cannot call getWriter() after getOutputStream()
at weblogic.servlet.internal.ServletResponseImpl.getWriter(ServletResponseImpl.java:307)
at oracle.reports.rwclient.RWWriter.print(RWWriter.java:107)
at oracle.reports.rwclient.RWWriter.printErrorMsg(RWWriter.java:167)
at oracle.reports.rwclient.RWClient.handleException(RWClient.java:1465)
at oracle.reports.rwclient.RWClient.handleException(RWClient.java:1328)
at oracle.reports.rwclient.RWClient.processRequest(RWClient.java:2010)
at oracle.reports.rwclient.RWClient.doGet(RWClient.java:509)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
Changes
The data the report uses has increased and now it takes longer for the reports server to generate the output
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |