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RTC Eclipse Client Startup Error on RHEL Workstation

Mallikarjuna Kandala (1161121) | asked Jun 24 '15, 7:31 a.m.
I have just downloaded the plain .zip files for RTC Eclipse Clients of versions : 5.0.1 & 4.0.2. Both of them fails with below error messages :


Error logged from Process Client UI:
No more handles [MOZILLA_FIVE_HOME='/usr/lib/xulrunner-compat'] (java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons:
    /home/mkandala/RTC_402/client/eclipse/configuration/org.eclipse.osgi/bundles/501/1/.cp/ ( cannot open shared object file: No such file or directory)
    swt-mozilla-gtk (Not found in java.library.path)
    /tmp/swtlib-32/ ( cannot open shared object file: No such file or directory)
    /tmp/swtlib-32/ (/tmp/swtlib-32/ cannot open shared object file: No such file or directory)

Please advice.

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Mallikarjuna Kandala (1161121) | answered Jun 24 '15, 8:56 a.m.
edited Jun 24 '15, 9:00 a.m.
Thank you Ralph for taking time to help me.

This document helped  : for 5.0.1 and still working on 4.0.2 Solution

Here are the steps for RTC 5.0.1 on RHEL 64 bit system:

For Rational Team Concert 4.x on 64-bit Linux:
  1. Install a webkitgtk+ 1.2.x package on the system.
  2. Update your eclipse.ini, so that Eclipse uses webkitgtk, by adding a line similar to the following to the vmargs:
    • Add -Dorg.eclipse.swt.browser.UseWebKitGTK=true to the vmargs in the eclipse.ini, or install with eclipse 3.7.2+

Ralph Schoon selected this answer as the correct answer

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Ralph Schoon (63.3k33646) | answered Jun 24 '15, 7:45 a.m.
Increase number of file handles.

Mallikarjuna Kandala commented Jun 24 '15, 7:51 a.m.

Thank you for the response.
Is it not related to XULRUNNER ? How to increase the no of file handles ?

Ralph Schoon commented Jun 24 '15, 8:04 a.m.

Could also be related to xulrunner. Not sure. for xulrunner related questions and answers see

There are several answers that provide hints how to solve this.

For how to increase file handles have a look at

You should probably try the xulrunner related tips first.

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Wagner Santana (212) | answered Jul 19 '16, 1:45 p.m.
edited Jul 19 '16, 1:47 p.m.
 In CentOS 7, using eclipse + p2 client I solved this problem installing a 64 bit version of gtk issuing the following commands as root:

yum install epel-release
yum install webkitgtk

Maybe only the second command will do.

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