And as a follow-up, I tried reverting to the previous JAVA_OPTS, but am
still getting the error when starting the handle server:
Exception in thread "main" java.lang.NoClassDefFoundError: Xmx512m
Caused by: java.lang.ClassNotFoundException: Xmx512m
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Could not find the main class: Xmx512m. Program will exit.
Exception in thread "main" java.lang.NoClassDefFoundError: Xmx512m
Caused by: java.lang.ClassNotFoundException: Xmx512m
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Could not find the main class: Xmx512m. Program will exit.
Thanks,
Karen S.
On 9/24/12 9:06 AM, "Savage, Karen R." <[email protected]> wrote:
>OK, I've reset JAVA_OPTS to 1024, but I can't start the handle server. I'm
>getting this:
>Exception in thread "main" java.lang.NoClassDefFoundError: Xmx1024m
>Caused by: java.lang.ClassNotFoundException: Xmx1024m
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>Could not find the main class: Xmx1024m. Program will exit.
>Exception in thread "main" java.lang.NoClassDefFoundError: Xmx1024m
>Caused by: java.lang.ClassNotFoundException: Xmx1024m
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>Could not find the main class: Xmx1024m. Program will exit.
>
>Is there something else I need to change too?
>
>Thanks,
>
>--
>Karen Savage
>Baylor University Libraries
>Electronic Library
>Library Systems
>[email protected]
>(254) 710-3275
>
>
>
>
>
>
>On 9/21/12 2:28 PM, "Tim Donohue" <[email protected]> wrote:
>
>>Hi Karen,
>>
>>The "Java heap space" error would be why things are slowing down /
>>locking up. It is telling you that the 512MB of memory you set in
>>$JAVA_OPTS is unfortunately not enough for Tomcat (and thus Tomcat
>>essentially crashes).
>>
>>Although we do recommend *at least* 512MB of memory for DSpace, some
>>sites may require more memory if they are active (decent amount of
>>visits or downloads).
>>
>>Here's more info in the online docs about dealing with Java Heap space
>>errors:
>>https://wiki.duraspace.org/display/DSDOC18/Performance+Tuning+DSpace#Perf
>>o
>>rmanceTuningDSpace-GiveTomcatMoreJavaHeapMemory
>>
>>If you have more memory available on that server, you may want to allow
>>Tomcat to use more like 1GB of memory, e.g.:
>>
>>JAVA_OPTS=-Xmx1024m -Xms1024m -Dfile.encoding=UTF-8
>>
>>- Tim
>>
>>On 9/21/2012 1:17 PM, Savage, Karen R. wrote:
>>> I think I've sorted the problem with tomcat not finding the webapps
>>>when
>>> restarting it. It seems some of the files in the tomcat directory now
>>> belonged to root instead of dspace, so it was a permissions problem.
>>>
>>> As for the other problem: In the cocoon log it just says "Failed to
>>> process pipeline" caused by "Page cannot be found". The dspace log is
>>> showing "ClientAbortException: java.net.SocketException: Broken pipe".
>>> The catalina log is showing some java out of memory errors "SEVERE: An
>>> exception or error occurred in the container during the request
>>>processing
>>> java.lang.OutOfMemoryError: Java heap space"
>>>
>>> I've double-checked, and I do have my $JAVA_OPTS set to "-Xmx512M
>>>-Xms64M
>>> -Dfile.encoding=UTF-8" as the installation instructions say.
>>>
>>> The three logs are attached.
>>>
>>> Thanks,
>>>
>>> Karen S.
>>>
>>> On 9/21/12 12:41 PM, "Tim Donohue" <[email protected]> wrote:
>>>
>>>> Hi Karen,
>>>>
>>>> Is there anything reported in the dspace or tomcat logs when your site
>>>> starts to have issues?
>>>>
>>>> Here's a guide for locating error messages in the dspace/tomcat logs:
>>>> https://wiki.duraspace.org/display/DSPACE/Troubleshoot+an+error
>>>>
>>>> If you can forward to this mailing list any errors appearing in the
>>>> logs, we may be able to narrow down what the issue could be. But,
>>>> unfortunately without more information, it may be rather difficult for
>>>> us to guess what is going on.
>>>>
>>>> Thanks,
>>>>
>>>> - Tim
>>>>
>>>>
>>>>
>>>> On 9/21/2012 12:35 PM, Savage, Karen R. wrote:
>>>>> About a month ago we upgraded our instance of dspace from 1.7 to 1.8.
>>>>> Since then, the site doesn't seem to stay online for more than a week
>>>>>at
>>>>> a time without having to restart tomcat; and when tomcat is
>>>>>restarted,
>>>>> it can't find the webapp and throws up a 404 error. The server has to
>>>>>be
>>>>> rebooted in order to get everything working again. Any ideas on what
>>>>>may
>>>>> be going wrong?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Linux RedHat 5.3
>>>>> Tomcat 6.0.20
>>>>> Java jdk1.6.0_18
>>>>>
>>>>> --
>>>>> Karen Savage
>>>>> Baylor University Libraries
>>>>> Electronic Library
>>>>> Library Systems
>>>>> [email protected]
>>>>> (254) 710-3275
>>>>>
>>>>>
>>>>>
>>>>>----------------------------------------------------------------------
>>>>>-
>>>>>--
>>>>> -----
>>>>> Got visibility?
>>>>> Most devs has no idea what their production app looks like.
>>>>> Find out how fast your code is with AppDynamics Lite.
>>>>> http://ad.doubleclick.net/clk;262219671;13503038;y?
>>>>> http://info.appdynamics.com/FreeJavaPerformanceDownload.html
>>>>> _______________________________________________
>>>>> DSpace-tech mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/dspace-tech
>>>>>
>>>
>
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