java.lang.OutOfMemoryError: Java heap space." Could anyone help me understand what is causing this problem and how to remedy this problem? Copy of few lines from "output.log" file. "Executing command: /opt/opennms/bin/runjava -r -- -Dopennms.home=/opt/opennms -Xmx256m -jar /opt/opennms/lib/opennms_bootstrap.jar start Exception in thread "Timer-3411" java.util.ConcurrentModificationException      at java.util.Hashtable$Enumerator.next(Hashtable.java:1020)      at org.snmp4j.Snmp.close(Unknown Source)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.close(Snmp4JWalker.java:223)      at org.opennms.netmgt.snmp.SnmpWalker.finish(SnmpWalker.java:149)      at org.opennms.netmgt.snmp.SnmpWalker.handleTimeout(SnmpWalker.java:143)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.access$1000(Snmp4JWalker.java:58)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:163)

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

Do you know how to solve this issue? Write a tip to help other users and build your expert profile.

Solutions on the web

via nabble.com by Unknown author, 1 year ago
Java heap space." Could anyone help me understand what is causing this problem and how to remedy this problem? Copy of few lines from "output.log" file. "Executing command: /opt/opennms/bin/runjava -r -- -Dopennms.home=/opt/opennms -Xmx256m -jar
java.lang.OutOfMemoryError: Java heap space." Could anyone help me understand what is causing this problem and how to remedy this problem? Copy of few lines from "output.log" file. "Executing command: /opt/opennms/bin/runjava -r -- -Dopennms.home=/opt/opennms -Xmx256m -jar /opt/opennms/lib/opennms_bootstrap.jar start Exception in thread "Timer-3411" java.util.ConcurrentModificationException      at java.util.Hashtable$Enumerator.next(Hashtable.java:1020)      at org.snmp4j.Snmp.close(Unknown Source)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.close(Snmp4JWalker.java:223)      at org.opennms.netmgt.snmp.SnmpWalker.finish(SnmpWalker.java:149)      at org.opennms.netmgt.snmp.SnmpWalker.handleTimeout(SnmpWalker.java:143)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker.access$1000(Snmp4JWalker.java:58)      at org.opennms.netmgt.snmp.snmp4j.Snmp4JWalker$Snmp4JResponseListener.onResponse(Snmp4JWalker.java:163)
at java.util.TimerThread.mainLoop(Timer.java:512)
at java.util.TimerThread.run(Timer.java:462)

Users with the same issue

You are the first who have seen this exception. Write a tip to help other users and build your expert profile.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.