Hi all,

We've been having a problem with webapps/xmlui/WEB-INF/web.xml being
overwritten randomly with the default "welcome to Tomcat!" page. It only
seems to happen about once a month but we can't predict it and it makes our
entire DSpace instance inaccessible until we can replace web.xml.

Does anyone know what's going on? I tried googling and found similar Tomcat
errors but for programs other than DSpace.

We're running dspace 1.7.2 with Tomcat 6

I also found these in the logs from (when I am guessing) the overwrite
happened:

/var/log/secure
Mar 11 13:03:50 dspace2 useradd[24547]: failed adding user 'tomcat', data
deleted
/data/dspace/log/dspace.log.2013-03-11
2013-03-11 13:03:58,851 ERROR net.sf.ehcache.store.DiskStore @
cocoon-ehcache Cache: Could not flush elements to disk due to
/var/cache/tomcat6/work/Catalina/localhost/_/cache-dir/cocoon-ehcache.index
(No such file or directory). Continuing...
java.io.FileNotFoundException:
/var/cache/tomcat6/work/Catalina/localhost/_/cache-dir/cocoon-ehcache.index
(No such file or directory)
    at java.io.FileOutputStream.open(Native Method)
    at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
    at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
    at net.sf.ehcache.store.DiskStore.writeIndex(DiskStore.java:845)
    at
net.sf.ehcache.store.DiskStore.throwableSafeFlushSpoolIfRequired(DiskStore.java:674)
    at
net.sf.ehcache.store.DiskStore.spoolAndExpiryThreadMain(DiskStore.java:640)
    at net.sf.ehcache.store.DiskStore.access$900(DiskStore.java:68)
    at
net.sf.ehcache.store.DiskStore$SpoolAndExpiryThread.run(DiskStore.java:1110)
2013-03-11 13:03:58,981 ERROR org.dspace.kernel.DSpaceKernelManager @ WARN
Failed to unregister the MBean:
org.dspace:name=4d3e355f-c8ee-4f46-8bb4-6c40a95cc114,type=DSpaceKernel
2013-03-11 13:04:04,752 INFO  org.dspace.usage.LoggerUsageEventListener @
anonymous:session_id=51554ABF2A9D2F96F9EFC7C2098FF1A0:ip_addr=66.249.73.66:
view_item:handle=10575/4825
2013-03-11 13:04:04,767 ERROR
org.dspace.statistics.SolrLoggerUsageEventListener @ Not Found

Not Found

request:
http://dspace2.nacs.uci.edu/solr/statistics/update?wt=javabin&version=1
*
Matthew McKinley
Digital Project Specialist, University of California,
Irvine<http://www.uci.edu/>
**about.me <http://www.about.me/matthewmckinley>*
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