Configuration of Confluence Cluster Fails with 'Cannot assign requested address'
Symptoms
The following appears in the atlassian-confluence.log:
Error Message: (Wrapped: UnicastUdpSocket{State=STATE_INITIAL, address:port=FE80:0:0:0:211:25FF:254.165.180.24:8088})
Cannot assign requested address
Error Code: 500
Target Servlet: action
Error Stack:
com.ibm.ws.webcontainer.webapp.WebAppErrorReport: (Wrapped: UnicastUdpSocket{State=STATE_INITIAL,
address:port=FE80:0:0:0:211:25FF:254.165.180.24:8088}) Cannot assign requested address
at com.ibm.ws.webcontainer.webapp.WebAppDispatcherContext.sendError(WebAppDispatcherContext.java:603)
at com.ibm.ws.webcontainer.srt.SRTServletResponse.sendError(SRTServletResponse.java:868)
at javax.servlet.http.HttpServletResponseWrapper.sendError(HttpServletResponseWrapper.java:152)
at javax.servlet.http.HttpServletResponseWrapper.sendError(HttpServletResponseWrapper.java:152)
at com.opensymphony.module.sitemesh.filter.PageResponseWrapper.sendError(PageResponseWrapper.java:176)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.sendError(ServletDispatcher.java:349)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.serviceAction(ServletDispatcher.java:235)
at com.opensymphony.webwork.dispatcher.ServletDispatcher.service(ServletDispatcher.java:199)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1572)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1521)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:136)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
Cause
There's a known issue with the JVM and IPv6, particularly on Linux. Refer to Data Center Troubleshooting for more information.
Resolution
The workaround is to tell the JVM to prefer IPv4, by adding -Djava.net.preferIPv4Stack=true to JAVA_OPTS (This can be set in CONFLUENCE_INSTALL/bin/setenv.sh). See Configuring System Properties for specifics on how to set this property.
Last modified on Mar 30, 2016
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