Thanks, Matthias. I take your reply to mean "No, one shouldn't have to
increase JVM heap size."
Let me list some more parameters, in the hope that you might spot something
obvious that we can correct on our side. It's been difficult to
troubleshoot this, because when the problem happens we can't even SSH into
the server. I believe whatever the problem is, it's exhausting resources on
the server.
Parameters:
1. Deployed on OpenShift using the cartridge found here:
https://github.com/aerogear/openshift-origin-cartridge-aerogear-push
<https://github.com/aerogear/openshift-origin-cartridge-aerogear-push>
2. AeroGear UnifiedPush Server 1.0.3 and WildFly, MySQL 5.5, Medium gear.
3. One application is defined with one variant (simple-push), 131
installations registered.
4. We are using all default settings. We haven't customized the JVM max
heap size, for example. The server log tells me "-Xmx512m".
Here are the reproduction steps. This happened reliably two days ago. We
couldn't reproduce this yesterday after a fresh restart of AeroGear.
1. Logged into AeroGear as admin
2. Select "Send Push"
3. Select an application
4. Hit "Send Push Notification", multiple times one after another. About 10
consecutive messages would cause OutOfMemoryError on our server.
Here's a relevant snippet of the server log:
[0m [0m17:03:29,511 INFO [PushNotificationSenderEndpoint] (default
task-28) Message submitted to PushNetworks for further processing
[0m [0m17:03:29,513 INFO [JPAPushMessageInformationDao] (EJB default - 6)
Processing send request with '[alert=, criteria=[aliases=null,
deviceTypes=null, categories=null, variants=null], time-to-live=-1]'
payload
[0m [31m17:03:29,837 ERROR [org.jboss.as.ejb3.invocation] (EJB default - 6)
JBAS014134: EJB Invocation failed on component SenderServiceImpl for method
public abstract void
org.jboss.aerogear.unifiedpush.message.SenderService.send(org.jboss.aerogear.unifiedpush.api.PushApplication,org.jboss.aerogear.unifiedpush.message.UnifiedPushMessage):
javax.ejb.EJBException: JBAS014580: Unexpected Error
at
org.jboss.as.ejb3.tx.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:187)
[wildfly-ejb3-8.1.0.Final.jar:8.1.0.Final]
at
org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:275)
[wildfly-ejb3-8.1.0.Final.jar:8.1.0.Final]
.
.
.
[wildfly-ejb3-8.1.0.Final.jar:8.1.0.Final]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[rt.jar:1.7.0_79]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[rt.jar:1.7.0_79]
at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]
at org.jboss.threads.JBossThread.run(JBossThread.java:122)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method) [rt.jar:1.7.0_79]
at java.lang.Thread.start(Thread.java:714) [rt.jar:1.7.0_79]
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1056)
[jsse.jar:1.7.0_79]
at
sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1332)
[jsse.jar:1.7.0_79]
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1359)
[jsse.jar:1.7.0_79]
.
.
.
org.jboss.aerogear.unifiedpush.message.sender.SimplePushNotificationSender.put(SimplePushNotificationSender.java:111)
[unifiedpush-push-1.0.3.jar:1.0.3]
at
org.jboss.aerogear.unifiedpush.message.sender.SimplePushNotificationSender.sendPushMessage(SimplePushNotificationSender.java:65)
[unifiedpush-push-1.0.3.jar:1.0.3]
at
org.jboss.aerogear.unifiedpush.message.SenderServiceImpl.send(SenderServiceImpl.java:110)
[unifiedpush-push-1.0.3.jar:1.0.3]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[rt.jar:1.7.0_79]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[rt.jar:1.7.0_79]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[rt.jar:1.7.0_79]
at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_79]
at
org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52)
.
.
.
at
org.jboss.as.ejb3.component.interceptors.NonPooledEJBComponentInstanceAssociatingInterceptor.processInvocation(NonPooledEJBComponentInstanceAssociatingInterceptor.java:59)
[wildfly-ejb3-8.1.0.Final.jar:8.1.0.Final]
at
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:309)
at
org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:273)
[wildfly-ejb3-8.1.0.Final.jar:8.1.0.Final]
... 38 more
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