Linux install errors....

Hi, we are currently trying to install the enterprise edition on our Red Hat box. We had it on an OSX machine and we are attempting to move it. Our Linux Admin used the command line installer (no GUI on the box) and receieved the following errors:

Setting the install directory to: /usr/local/screen-scraper_enterprise

Exception in thread "Timer-0" java.lang.AbstractMethodError: org.apache.xerces.dom.DocumentImpl.getXmlStandalone()
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.setDocumentInfo(<Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source)
at java.util.prefs.XmlSupport.writeDoc(Unknown Source)
at java.util.prefs.XmlSupport.exportMap(Unknown Source)
at java.util.prefs.FileSystemPreferences$8.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.prefs.FileSystemPreferences.writeBackCache(Unknown Source)
at java.util.prefs.FileSystemPreferences.syncSpiPrivileged(Unknown Source)
at java.util.prefs.FileSystemPreferences.access$2300(Unknown Source)
at java.util.prefs.FileSystemPreferences$13.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.prefs.FileSystemPreferences.syncSpi(Unknown Source)
at java.util.prefs.AbstractPreferences.sync2(Unknown Source)
at java.util.prefs.AbstractPreferences.sync2(Unknown Source)
at java.util.prefs.AbstractPreferences.sync(Unknown Source)
at java.util.prefs.FileSystemPreferences.sync(Unknown Source)
at java.util.prefs.FileSystemPreferences.flush(Unknown Source)
at java.util.prefs.FileSystemPreferences.syncWorld(Unknown Source)
at java.util.prefs.FileSystemPreferences.access$1200(Unknown Source)
at java.util.prefs.FileSystemPreferences$4.run(Unknown Source)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)

Finishing installation...
Exception in thread "Thread-2" java.lang.AbstractMethodError: org.apache.xerces.dom.DocumentImpl.getXmlStandalone()
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.setDocumentInfo(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source)
at java.util.prefs.XmlSupport.writeDoc(Unknown Source)
at java.util.prefs.XmlSupport.exportMap(Unknown Source)
at java.util.prefs.FileSystemPreferences$8.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.prefs.FileSystemPreferences.writeBackCache(Unknown Source)
at java.util.prefs.FileSystemPreferences.syncSpiPrivileged(Unknown Source)
at java.util.prefs.FileSystemPreferences.access$2300(Unknown Source)
at java.util.prefs.FileSystemPreferences$13.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.prefs.FileSystemPreferences.syncSpi(Unknown Source)
at java.util.prefs.AbstractPreferences.sync2(Unknown Source)
at java.util.prefs.AbstractPreferences.sync2(Unknown Source)
at java.util.prefs.AbstractPreferences.sync(Unknown Source)
at java.util.prefs.FileSystemPreferences.sync(Unknown Source)
at java.util.prefs.FileSystemPreferences.flush(Unknown Source)
at java.util.prefs.FileSystemPreferences.syncWorld(Unknown Source)
at java.util.prefs.FileSystemPreferences.access$1200(Unknown Source)
at java.util.prefs.FileSystemPreferences$5$1.run(Unknown Source)

Attempts to start the server after the failed install (which I assumed wouldn't work) give the following errors:

testing JVM in /usr/local/screen-scraper_enterprise/jre ...
testing JVM in /usr/local/screen-scraper_enterprise/jre ...
testing JVM in /usr ...
testing JVM in /usr/lib/jvm/jre ...
testing JVM in /usr/lib/jvm/jre-1.4.2 ...
testing JVM in /usr/lib/jvm/jre-1.4.2-gcj ...
testing JVM in /usr/lib/jvm/jre-gcj ...
No suitable Java Virtual Machine could be found on your system.
The version of the JVM must be at least 1.5.
Please define INSTALL4J_JAVA_HOME to point to a suitable JVM.
You can also try to delete the JVM cache file /root/.install4j

I installed it on my CentOS VM using the GUI installer before with no issues. Redhat and Centos should be similar enough to not worry about issues, but perhaps its an issue with the command line installer? Any ideas?

EDIT: Just spoke with my linux admin, apparently he used the GUI installer, not the command line.

On Linux, I find it always

On Linux, I find it always works best to use the GUI installer. Do try that, and if there is a problem, let me know the version of Red Hat you're using. We use Red Hat and CentOS quite a bit, so I am at a loss as to what the problem could be.