October 2010 - mod_cluster-issues

[JBoss JIRA] Created: (MODCLUSTER-183) NPE when overriding default load metric in ModClusterListener

by Paul Ferraro (JIRA)

NPE when overriding default load metric in ModClusterListener ------------------------------------------------------------- Key: MODCLUSTER-183 URL: https://jira.jboss.org/browse/MODCLUSTER-183 Project: mod_cluster Issue Type: Bug Affects Versions: 1.1.0.CR3 Reporter: Paul Ferraro Assignee: Paul Ferraro Fix For: 1.1.1.Final Tomcat/JBW's IntrospectionUtils doesn't handle properties of type Class. Consequently, if you try to override the loadMetricClass, you end up with a NullPointerException during startup, since the property value is read as a null. This property needs to be a String, rather than a Class. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

12 years, 10 months

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[JBoss JIRA] Created: (MODCLUSTER-184) Redeployment of application in Tomcat fails

by Ruslan Gainutdinov (JIRA)

Redeployment of application in Tomcat fails ------------------------------------------- Key: MODCLUSTER-184 URL: https://jira.jboss.org/browse/MODCLUSTER-184 Project: mod_cluster Issue Type: Bug Affects Versions: 1.1.0.Final Environment: Windows 7 x64, Java 1.6.0_18-b07 32bit, Tomcat 6.0.29 + APR 1.1.20 + load-demo.war manually unpacked into webapps/ folder. Reporter: Ruslan Gainutdinov Assignee: Jean-Frederic Clere Both methods of redeployment cause this error, either by pressing reload link in Tomcat manager webapp and by touching web.xml in load-demo webapplication. Log excerpt: 31.08.2010 10:30:41 org.apache.catalina.core.StandardContext reload INFO: Reloading this Context has started 31.08.2010 10:30:41 org.jboss.modcluster.ModClusterService DEBUG: Stop context [/load-demo] in host [localhost] 31.08.2010 10:30:41 org.jboss.modcluster.ModClusterService DEBUG: Start context [/load-demo] in host [localhost] 31.08.2010 10:30:41 org.apache.catalina.core.StandardPipeline registerValve INFO: Can't register valve org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve[/load-demo] java.lang.NoClassDefFoundError: org/jboss/servlet/http/HttpEvent at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2427) at java.lang.Class.privateGetPublicMethods(Class.java:2547) at java.lang.Class.getMethods(Class.java:1410) at org.apache.tomcat.util.modeler.modules.MbeansDescriptorsIntrospectionSource.createManagedBean(MbeansDescriptorsIntrospectionSource.java:304) at org.apache.tomcat.util.modeler.modules.MbeansDescriptorsIntrospectionSource.execute(MbeansDescriptorsIntrospectionSource.java:84) at org.apache.tomcat.util.modeler.modules.MbeansDescriptorsIntrospectionSource.loadDescriptors(MbeansDescriptorsIntrospectionSource.java:77) at org.apache.tomcat.util.modeler.Registry.load(Registry.java:754) at org.apache.tomcat.util.modeler.Registry.loadDescriptors(Registry.java:866) at org.apache.tomcat.util.modeler.Registry.findManagedBean(Registry.java:651) at org.apache.tomcat.util.modeler.Registry.findManagedBean(Registry.java:963) at org.apache.tomcat.util.modeler.Registry.registerComponent(Registry.java:794) at org.apache.catalina.core.StandardPipeline.registerValve(StandardPipeline.java:302) at org.apache.catalina.core.StandardPipeline.addValve(StandardPipeline.java:448) at org.jboss.modcluster.catalina.CatalinaContext.addRequestListener(CatalinaContext.java:114) at org.jboss.modcluster.ModClusterService.start(ModClusterService.java:385) at org.jboss.modcluster.catalina.CatalinaEventHandlerAdapter.lifecycleEvent(CatalinaEventHandlerAdapter.java:257) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4540) at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3391) at org.apache.catalina.manager.ManagerServlet.reload(ManagerServlet.java:943) at org.apache.catalina.manager.HTMLManagerServlet.reload(HTMLManagerServlet.java:556) at org.apache.catalina.manager.HTMLManagerServlet.doGet(HTMLManagerServlet.java:121) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:563) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:861) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1584) at java.lang.Thread.run(Thread.java:619) Caused by: java.lang.ClassNotFoundException: org.jboss.servlet.http.HttpEvent at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at java.lang.ClassLoader.loadClass(ClassLoader.java:248) ... 38 more As I can see, it is caused by wrong method signature in class org.jboss.modcluster.catalina.CatalinaContext.RequestListenerValve public void event(Request request, Response response, HttpEvent event) throws IOException, ServletException -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years

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[JBoss JIRA] Created: (MODCLUSTER-118) character ? in

by Dmitry Sanatin (JIRA)

character ? in --------------- Key: MODCLUSTER-118 URL: https://jira.jboss.org/jira/browse/MODCLUSTER-118 Project: mod_cluster Issue Type: Bug Affects Versions: 1.1.0.Beta1 Environment: Windows 7 Ultimate, Apache 2.2.14 , JBoss web/Tomcat configuration Reporter: Dmitry Sanatin Assignee: Jean-Frederic Clere URI of http request is truncated up to '?' character at apache side. Cluster node receive wrong request. . If '?' is replaced by '%3f', it is passed to jboss "correctly". There is no such problem with 1.0.2 GA version. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years

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[JBoss JIRA] Created: (MODCLUSTER-90) Add information in httpd to find easly the mod_cluster version

by Jean-Frederic Clere (JIRA)

Add information in httpd to find easly the mod_cluster version -------------------------------------------------------------- Key: MODCLUSTER-90 URL: https://jira.jboss.org/jira/browse/MODCLUSTER-90 Project: mod_cluster Issue Type: Feature Request Environment: httpd Reporter: Jean-Frederic Clere Assignee: Jean-Frederic Clere Priority: Minor Something like the header: Server: Apache/2.2.12-dev (Unix) mod_ssl/2.2.12-dev OpenSSL/0.9.8k-fips DAV/2 for example. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years

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[JBoss JIRA] Created: (MODCLUSTER-119) AdvertiseBindAddress does not default to the 23364 port

by Radoslav Husar (JIRA)

AdvertiseBindAddress does not default to the 23364 port ------------------------------------------------------- Key: MODCLUSTER-119 URL: https://jira.jboss.org/jira/browse/MODCLUSTER-119 Project: mod_cluster Issue Type: Bug Affects Versions: 1.0.2.GA Environment: Fedora 11 Reporter: Radoslav Husar Assignee: Jean-Frederic Clere Hello, it looks as though 1.0.2 GA does not pick the default value for AdvertiseBindAddress and listens on random port each time whereas the documentation claims it defaults to the same setup as the AS part default setup. The docs say: AdvertiseBindAddress IP:port: That is the address and port httpd is bind to send the multicast messages. This allow to specify an address on multi IP address boxes. Default: 0.0.0.0:23364 Here is the different starts/stops and ports, below the host config without ABA set. [rhusar@rhusar modcluster]$ netstat -lpn | grep http (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) tcp 0 0 :::8888 :::* LISTEN 19610/httpd udp 0 0 0.0.0.0:60958 0.0.0.0:* 19610/httpd [rhusar@rhusar modcluster]$ netstat -lpn | grep http (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) tcp 0 0 :::8888 :::* LISTEN 19648/httpd udp 0 0 0.0.0.0:34758 0.0.0.0:* 19648/httpd [rhusar@rhusar modcluster]$ netstat -lpn | grep http (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) tcp 0 0 :::8888 :::* LISTEN 19676/httpd udp 0 0 0.0.0.0:58988 0.0.0.0:* 19676/httpd <VirtualHost *:8888> KeepAliveTimeout 60 MaxKeepAliveRequests 0 ManagerBalancerName mycluster AdvertiseFrequency 5 # File a Jira - not in sync with docs # http://www.jboss.org/mod_cluster/native/config.html # AdvertiseBindAddress 0.0.0.0:23364 </VirtualHost> -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years

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[JBoss JIRA] Created: (MODCLUSTER-122) Advertise does not work on name-based virtual hosts

by Radoslav Husar (JIRA)

Advertise does not work on name-based virtual hosts --------------------------------------------------- Key: MODCLUSTER-122 URL: https://jira.jboss.org/jira/browse/MODCLUSTER-122 Project: mod_cluster Issue Type: Bug Affects Versions: 1.0.2.GA Environment: RHEL 5.4 Reporter: Radoslav Husar Assignee: Jean-Frederic Clere If you use Apache httpd name-based virtual hosts on the server with multiple IPs (without explicit configuration parameter ServerAdvertise On http://hostname:port), advertise does not work and sends 0.0.0.0 IP address to the back-end. This is problem when you have back-end server on the physically another machine. Module should use ServerName from the VirtualHost configuration value in this case (or this case should be documented). Refer to official Apache 2.2 documentation for more information on Name-based Virtual Host Support http://httpd.apache.org/docs/2.2/vhosts/name-based.html Snip from mod_cluster docs: > ServerAdvertise On http://hostname:port: Tell the hostname and port to use. Only needed if the VirtualHost is not > defined correctly or when VirtualHost is not used. Sample configuration: <VirtualHost *:8888> ServerName perf10 ... </VirtualHost> -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years

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[JBoss JIRA] Created: (MODCLUSTER-124) Make mod_cluster manager tolerant to F5 page refresh when disabled context

by Radoslav Husar (JIRA)

Make mod_cluster manager tolerant to F5 page refresh when disabled context -------------------------------------------------------------------------- Key: MODCLUSTER-124 URL: https://jira.jboss.org/jira/browse/MODCLUSTER-124 Project: mod_cluster Issue Type: Feature Request Affects Versions: 1.0.2.GA Reporter: Radoslav Husar Assignee: Jean-Frederic Clere Priority: Minor I ran into this and found it rather unfriendly, when I wanted to refresh the mod_cluster manager (mcm) server returned Error 500. This happens when the last command was operating with a node which is no longer in the list. For example disabling a context: http://jawa11:7777/mod_cluster-manager?nonce=a6302da7-faa0-4338-8d35-9a25... You can easily run into this since there is no clear way - a link - to get to the page without any parameters (supposingly following the Autorefresh link which is not always desired to turn it off). Thanks for considering! -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years

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[JBoss JIRA] Created: (MODCLUSTER-188) mod_cluster failover does not work for a /webappcontext when the / root context exists

by Samuel Mendenhall (JIRA)

mod_cluster failover does not work for a /webappcontext when the / root context exists -------------------------------------------------------------------------------------- Key: MODCLUSTER-188 URL: https://jira.jboss.org/browse/MODCLUSTER-188 Project: mod_cluster Issue Type: Bug Affects Versions: 1.1.0.Beta1, 1.0.4.GA Reporter: Samuel Mendenhall Assignee: Jean-Frederic Clere Fix For: 1.0.5, 1.1.1.Final Let's say for example that /webapp and / is mapped in mod_cluster and there are two JBoss instances. If in one JBoss instance you undeploy the /webapp, you would expect mod_cluster to failover to the other JBoss instance. However, this is not the case, mod_cluster will instead select the lesser context, the root context / and service the request from /webapp on the / context. The logic only tests for ENABLE and DISABLE the STOP is not tested. The failover of a context will only work currently if / or any smaller path is not deployed -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 2 months

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[JBoss JIRA] Created: (MODCLUSTER-133) STATUS should retry the worker even if there was an error before.

by Jean-Frederic Clere (JIRA)

STATUS should retry the worker even if there was an error before. ----------------------------------------------------------------- Key: MODCLUSTER-133 URL: https://jira.jboss.org/jira/browse/MODCLUSTER-133 Project: mod_cluster Issue Type: Bug Environment: any Reporter: Jean-Frederic Clere Assignee: Jean-Frederic Clere Fix For: 1.1.0.CR1 Once an error occurs a STATUS should retry but the moment we have: +++ [Thu Feb 25 16:49:24 2010] [debug] ajp_header.c(687): ajp_read_header: ajp_ilink_received 09 [Thu Feb 25 16:49:24 2010] [debug] ajp_header.c(697): ajp_parse_type: got 09 [Thu Feb 25 16:49:24 2010] [debug] mod_proxy_ajp.c(540): proxy: Processing of request failed backend: 1, output: 0 [Thu Feb 25 16:49:24 2010] [error] proxy: dialog to 192.168.100.150:8009 (192.168.100.150) failed [Thu Feb 25 16:49:24 2010] [debug] proxy_util.c(2017): proxy: AJP: has released connection for (192.168.100.150) [Thu Feb 25 16:49:24 2010] [debug] mod_proxy_cluster.c(1118): proxy: byrequests balancer FAILED [Thu Feb 25 16:49:24 2010] [error] proxy: CLUSTER: (balancer://mycluster). All workers are in error state [Thu Feb 25 16:49:26 2010] [debug] mod_manager.c(1416): manager_trans STATUS (/) [Thu Feb 25 16:49:26 2010] [debug] mod_manager.c(1929): manager_handler STATUS (/) processing: "JVMRoute=node3&Load=78" [Thu Feb 25 16:49:26 2010] [debug] proxy_util.c(1937): proxy: ajp: retrying the worker for (192.168.100.150) [Thu Feb 25 16:49:26 2010] [error] proxy: ajp: disabled connection for (192.168.100.150) [Thu Feb 25 16:49:26 2010] [debug] mod_proxy_cluster.c(1333): proxy_cluster_isup: pingpong failed [Thu Feb 25 16:49:26 2010] [debug] mod_manager.c(1970): manager_handler STATUS OK [Thu Feb 25 16:49:36 2010] [debug] mod_manager.c(1416): manager_trans STATUS (/) [Thu Feb 25 16:49:36 2010] [debug] mod_manager.c(1929): manager_handler STATUS (/) processing: "JVMRoute=node3&Load=77" [Thu Feb 25 16:49:36 2010] [debug] proxy_util.c(1937): proxy: ajp: retrying the worker for (192.168.100.150) [Thu Feb 25 16:49:36 2010] [error] proxy: ajp: disabled connection for (192.168.100.150) +++ -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 3 months

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[JBoss JIRA] Created: (MODCLUSTER-173) Alias max length too low

by Gregory Lardiere (JIRA)

Alias max length too low ------------------------ Key: MODCLUSTER-173 URL: https://jira.jboss.org/browse/MODCLUSTER-173 Project: mod_cluster Issue Type: Bug Affects Versions: 1.0.3.GA Environment: Windows server 2008 Reporter: Gregory Lardiere Assignee: Jean-Frederic Clere We have virtual-hosts in server.xml with aliases of more than 40 characters. No problem on the jboss side, but on apache side, mod_cluster fails with the following message : "MEM: Can't read host alias". Changing HOSTALIASZ from 40 to 64 (mod_clustersize.h) resolves the problem (see patch #1). NB: I had to fix a few "NMAKEmakefile", otherwise it won't compile with Visual Studio 2010 (see patch #2) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 3 months

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mod_cluster-issues October 2010