wro strange exception?

Yehonatan Moses

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Aug 5, 2013, 10:49:19 AM8/5/13

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Hi,

We've encountered some strange exception while working with wro4j.. I was wondering if anyone has an idea..?

[wro4j-parallelPreprocessing-2-thread-1] 2013-08-05 17:39:46,269

Exception was : "No modifications are allowed to a locked ParameterMap"

please note that the thread issued the exception is "wro4j-parallelPreprocessing-2-thread-1"

the stack trace is ;

at org.apache.catalina.util.ParameterMap.put(ParameterMap.java:170)

at org.apache.catalina.connector.Request.getParameterMap(Request.java:1178)

at org.apache.catalina.connector.RequestFacade.getParameterMap(RequestFacade.java:445)

at org.apache.catalina.core.ApplicationHttpRequest.parseParameters(ApplicationHttpRequest.java:755)

at org.apache.catalina.core.ApplicationHttpRequest.getParameter(ApplicationHttpRequest.java:367)

at javax.servlet.ServletRequestWrapper.getParameter(ServletRequestWrapper.java:140)

at org.springframework.web.util.WebUtils.hasSubmitParameter(WebUtils.java:556)

at org.springframework.web.servlet.mvc.condition.ParamsRequestCondition$ParamExpression.matchName(ParamsRequestCondition.java:136)

at org.springframework.web.servlet.mvc.condition.AbstractNameValueExpression.match(AbstractNameValueExpression.java:72)

at org.springframework.web.servlet.mvc.condition.ParamsRequestCondition.getMatchingCondition(ParamsRequestCondition.java:97)

at org.springframework.web.servlet.mvc.method.RequestMappingInfo.getMatchingCondition(RequestMappingInfo.java:172)

at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.getMatchingMapping(RequestMappingInfoHandlerMapping.java:68)

at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.getMatchingMapping(RequestMappingInfoHandlerMapping.java:50)

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.addMatchingMappings(AbstractHandlerMethodMapping.java:278)

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lookupHandlerMethod(AbstractHandlerMethodMapping.java:245)

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.getHandlerInternal(AbstractHandlerMethodMapping.java:212)

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.getHandlerInternal(AbstractHandlerMethodMapping.java:55)

at org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:297)

at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1091)

at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1076)

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:896)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:915)

at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:811)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:796)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)

at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)

at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605)

at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)

at ro.isdc.wro.model.resource.locator.support.DispatcherStreamLocator.getInputStream(DispatcherStreamLocator.java:75)

at ro.isdc.wro.model.resource.locator.ServletContextUriLocator.dispatcherBasedStreamLocator(ServletContextUriLocator.java:198)

at ro.isdc.wro.model.resource.locator.ServletContextUriLocator.dispatcherFirstStreamLocator(ServletContextUriLocator.java:184)

at ro.isdc.wro.model.resource.locator.ServletContextUriLocator.locate(ServletContextUriLocator.java:159)

at ro.isdc.wro.model.resource.locator.factory.AbstractUriLocatorFactory.locate(AbstractUriLocatorFactory.java:40)

at ro.isdc.wro.model.group.processor.PreProcessorExecutor.getResourceContent(PreProcessorExecutor.java:249)

at ro.isdc.wro.model.group.processor.PreProcessorExecutor.applyPreProcessors(PreProcessorExecutor.java:190)

at ro.isdc.wro.model.group.processor.PreProcessorExecutor.access$100(PreProcessorExecutor.java:50)

at ro.isdc.wro.model.group.processor.PreProcessorExecutor$1.call(PreProcessorExecutor.java:134)

at ro.isdc.wro.model.group.processor.PreProcessorExecutor$1.call(PreProcessorExecutor.java:130)

at ro.isdc.wro.config.support.ContextPropagatingCallable.call(ContextPropagatingCallable.java:58)

at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)

at java.util.concurrent.FutureTask.run(FutureTask.java:166)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)

at java.lang.Thread.run(Thread.java:722)

Cheers,

Yoni

Alex Objelean

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Aug 5, 2013, 12:54:15 PM8/5/13

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Could you create a quick start project used to reproduce this issue?

Thanks,
Alex

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Yoni Moses

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Aug 8, 2013, 7:50:38 AM8/8/13

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creating such a quick start is not so easy for me..;)

anyway, we're now getting ConcurrentModificationException on