[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-570) Multiple invalid nodes created on graceful httpd restart

[Antoine Cotten (JIRA)]

Antoine Cotten created MODCLUSTER-570:
-----------------------------------------

             Summary: Multiple invalid nodes created on graceful httpd restart
                 Key: MODCLUSTER-570
                 URL: https://issues.jboss.org/browse/MODCLUSTER-570
             Project: mod_cluster
          Issue Type: Bug
          Components: Native (httpd modules)
    Affects Versions: 1.3.5.Final
         Environment: httpd 2.4.25
            Reporter: Antoine Cotten
            Assignee: Jean-Frederic Clere
            Priority: Minor


mod_cluster creates a bunch of invalid nodes after a graceful restart of Apache httpd (SIGUSR1, SIGWINCH).

httpd logs:
{code}
[mpm_event:notice] [pid 1:tid 140313388616520] AH00493: SIGUSR1 received.  Doing graceful restart
[:notice] [pid 1:tid 140313388616520] Advertise initialized for process 1
[mpm_event:notice] [pid 1:tid 140313388616520] AH00489: Apache/2.4.25 (Unix) mod_cluster/1.3.5.Final configured -- resuming normal operations
[core:notice] [pid 1:tid 140313388616520] AH00094: Command line: 'httpd -D FOREGROUND'
[:notice] [pid 116:tid 140313388616520] Created: worker for ://: failed: Unable to parse URL
[:notice] [pid 116:tid 140313388616520] Created: worker for ://: failed: Unable to parse URL
[:notice] [pid 116:tid 140313388616520] Created: worker for ://: failed: Unable to parse URL
# ... trimmed 48 lines ...
[:notice] [pid 145:tid 140313388616520] Created: worker for ://: failed: Unable to parse URL
[:notice] [pid 145:tid 140313388616520] Created: worker for ://: failed: Unable to parse URL
[:notice] [pid 145:tid 140313388616520] Created: worker for ://: failed: Unable to parse URL
[:notice] [pid 145:tid 140313388616520] Created: worker for ://:\x9d\x7f failed: Unable to parse URL
[:notice] [pid 145:tid 140313388616520] add_balancer_node: balancer safe-name (balancer://4:6666\r\nX-Manager-Url: /c8dae916-7642-4deb-b841-2f3435613749\r\nX-Manager-Protocol: http\r\nX-Manager-Host: 172.17.0.4\r\n\r\n) too long
{code}

Application server logs (tomcat8):
{code}
Feb 01, 2017 11:34:25 AM org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler sendRequest
ERROR: MODCLUSTER000042: Error MEM sending STATUS command to 172.17.0.4/172.17.0.4:6666, configuration will be reset: MEM: Can't read node with "java1-depl1-1234" JVMRoute
Feb 01, 2017 11:34:35 AM org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor processChildren
SEVERE: Exception invoking periodic operation: 
java.lang.IllegalArgumentException: Node: [1],Name: ,Balancer: ,LBGroup: ,Host: ,Port: ,Type: ,Flushpackets: Off,Flushwait: 0,Ping: 0,Smax: 0,Ttl: 0,Elected: 0,Read: 0,Transfered: 0,Connected: 0,Load: 0
Node: [2],Name: ,Balancer: ,LBGroup: ,Host: ,Port: ,Type: ,Flushpackets: Off,Flushwait: 0,Ping: 0,Smax: 0,Ttl: 0,Elected: 0,Read: 0,Transfered: 0,Connected: 0,Load: 0
Node: [3],Name: ,Balancer: ,LBGroup: ,Host: ,Port: ,Type: ,Flushpackets: Off,Flushwait: 0,Ping: 0,Smax: 0,Ttl: 0,Elected: 0,Read: 0,Transfered: 0,Connected: 0,Load: 0
# ... trimmed lines ...
Node: [18],Name: ,Balancer: ,LBGroup: ,Host: ,Port: ,Type: ,Flushpackets: Off,Flushwait: 0,Ping: 0,Smax: 0,Ttl: 0,Elected: 0,Read: 0,Transfered: 0,Connected: 0,Load: 0
Node: [19],Name: ,Balancer: ,LBGroup: ,Host: ,Port: ,Type: ,Flushpackets: Off,Flushwait: 0,Ping: 0,Smax: 0,Ttl: 0,Elected: 0,Read: 0,Transfered: 0,Connected: 0,Load: 0
Vhost: [0:0:1], Alias: 
Vhost: [0:0:2], Alias: 
Vhost: [0:0:3], Alias: 
# ... trimmed lines ...
Vhost: [0:0:19], Alias: 
Vhost: [0:0:20], Alias: 
Context: [0:0:1], Context: , Status: REMOVED
Context: [0:0:2], Context: , Status: REMOVED
Context: [0:0:3], Context: , Status: REMOVED
# ... trimmed lines ...
Context: [0:0:97], Context: , Status: REMOVED
Context: [0:0:98], Context: , Status: REMOVED
Context: [0:0:99], Context: , Status: REMOVED
Context: [0:0:1], Context: , Status: REMOVED

	at org.jboss.modcluster.mcmp.impl.DefaultMCMPResponseParser.parseInfoResponse(DefaultMCMPResponseParser.java:96)
	at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler.status(DefaultMCMPHandler.java:396)
	at org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler.status(DefaultMCMPHandler.java:365)
	at org.jboss.modcluster.ModClusterService.status(ModClusterService.java:457)
	at org.jboss.modcluster.container.catalina.CatalinaEventHandlerAdapter.lifecycleEvent(CatalinaEventHandlerAdapter.java:252)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1374)
	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1546)
	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1524)
	at java.lang.Thread.run(Thread.java:745)

Feb 01, 2017 11:35:05 AM org.jboss.modcluster.mcmp.impl.DefaultMCMPHandler sendRequest
{code}



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