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https://issues.apache.org/jira/browse/AMQ-4994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13886656#comment-13886656
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Daniel Kulp commented on AMQ-4994:
----------------------------------
Could a new JIRA be created for the pagination stuff? That's more of a
feature request.
github pull request which removes sitemesh which is the root cause of the OOM:
https://github.com/apache/activemq/pull/10
(and the OOM COULD occur on other pages such as if there are 200K queues or
similar. This pull request fixes those as well.)
> Web Console - java.lang.OutOfMemoryError: Java heap space - while browsing
> deep queues
> --------------------------------------------------------------------------------------
>
> Key: AMQ-4994
> URL: https://issues.apache.org/jira/browse/AMQ-4994
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.9.0
> Reporter: Dejan Bosanac
> Priority: Blocker
> Attachments: AMQ-4994.patch
>
>
> When browsing a deep queue with large number of messages, broker throws
> {code}java.lang.OutOfMemoryError: Java heap space
> at java.util.Arrays.copyOf(Arrays.java:2367)
> at java.io.CharArrayWriter.write(CharArrayWriter.java:105)
> at java.io.PrintWriter.write(PrintWriter.java:426)
> at
> com.opensymphony.module.sitemesh.filter.RoutablePrintWriter.write(RoutablePrintWriter.java:144)
> at
> org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:181)
> at org.apache.jasper.runtime.JspWriterImpl.write(JspWriterImpl.java:412)
> at
> org.apache.taglibs.standard.tag.common.core.OutSupport.writeEscapedXml(OutSupport.java:239)
> at
> org.apache.taglibs.standard.tag.common.core.OutSupport.out(OutSupport.java:208)
> at
> org.apache.taglibs.standard.tag.common.core.OutSupport.doStartTag(OutSupport.java:128)
> at
> org.apache.jsp.browse_jsp._jspx_meth_c_out_6(org.apache.jsp.browse_jsp:323)
> at org.apache.jsp.browse_jsp.access$8(org.apache.jsp.browse_jsp:314)
> at
> org.apache.jsp.browse_jsp$browse_jspHelper.invoke0(org.apache.jsp.browse_jsp:426)
> at
> org.apache.jsp.browse_jsp$browse_jspHelper.invoke(org.apache.jsp.browse_jsp:450)
> at
> org.apache.jsp.tag.web.jms.forEachMessage_tag.doTag(org.apache.jsp.tag.web.jms.forEachMessage_tag:89)
> at
> org.apache.jsp.browse_jsp._jspx_meth_jms_forEachMessage_0(org.apache.jsp.browse_jsp:170)
> at org.apache.jsp.browse_jsp._jspService(org.apache.jsp.browse_jsp:100)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:109)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:389)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:486)
> at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:380)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:652)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1320)
> at
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)
> at org.apache.activemq.web.SessionFilter.doFilter(SessionFilter.java:45)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)
> at
> org.apache.activemq.web.filter.ApplicationContextFilter.doFilter(ApplicationContextFilter.java:102)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)
> at
> com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129){code}
> when trying to browse that queue.
> To reproduce it:
> 1. Start a broker with default configuration
> 2. Send 200k messages with
> {code}ant producer -Dmax=200000 -Ddurable=true -Dsubject=TEST{code}
> 3. Try to browse the queue
> http://localhost:8161/admin/browse.jsp?JMSDestination=TEST
> The proper solution to this problem is to implement proper pagination while
> browsing the messages, so users can browse through all messages showing 100
> msgs (or so) at the time and not using all the available memory.
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