We’ve run into a Java.lang.OutOfMemoryError: PermGen space error and looking at the tomcat JVM params, other than the -Xms and -Xmx params we also specify -XX:MaxPermSize=128m. After a bit of profiling I can see occasionally garbage collection happening on the PermGen space saving it from running full. My question is: other than increasing the -XX:MaxPermSize … Read more
The version number shown describes the version of the JRE the class file is compatible with. The reported major numbers are: (Source: Wikipedia) To fix the actual problem you should try to either run the Java code with a newer version of Java JRE or specify the target parameter to the Java compiler to instruct … Read more
This can be fixed by increasing the configured max heap size for the project. Through IDE: Add the below lines into the gradle.properties file. Below memory size can be configured based on the RAM availability Through GUI: In the Settings, search for ‘Memory Settings’ and increase the IDE max heap size and Daemon max heap … Read more
Based on the conversation in the other answer, it was inferred that the JVM was a 64-bit process. This was confirmed using the pflags command in Solaris. Apparently the -d32 flag passed to the JVM was being ignored. This was due to the possibility of the JVM being a 64-bit one, which was incapable of operating in the 32-bit mode. … Read more
As a follow up to Peter’s answer the flag is as described at Oracle
Try removing the -vm P:\Programs\jdk1.6\bin lines. Also, a general recommendation: set -Dosgi.requiredJavaVersion=1.6, not 1.5.
As other people have pointed out, it is most likely related to another process using port 9999. On Windows, run the command: And it should list anything there that’s hogging the port. Of course you’ll then have to go and manually kill those programs in Task Manager. If this still doesn’t work, replace the line: With: … Read more
The RES value isn’t how much memory the process is using, but how much actual RAM it uses. This doesn’t include swapped pages and allocated but unmapped pages. Make sure you have enough free memory on the system itself, you can run free, or even top should print above how much memory is in use. The output of top suggests that the … Read more
JAVA_OPTS is the standard environment variable that some servers and other java apps append to the call that executes the java command. For example in tomcat if you define JAVA_OPTS=’-Xmx1024m’, the startup script will execute java org.apache.tomcat.Servert -Xmx1024m If you are running in Linux/OSX, you can set the JAVA_OPTS, right before you call the startup script by doing This will … Read more
From the Java documentation (not the javadoc API): http://download.oracle.com/javase/6/docs/technotes/guides/net/proxies.html Set the JVM flags http.proxyHost and http.proxyPort when starting your JVM on the command line. This is usually done in a shell script (in Unix) or bat file (in Windows). Here’s the example with the Unix shell script: When using containers such as JBoss or WebLogic, my solution is to edit … Read more