Hi Alvaro, Thanks for your hints. But, After re-installing libreoffice package, the convert process was working fine. As following log:
================ starting log =================== ............... DEBUG 06-21 14:20:05.260 ProcessHelper.java 87569 104 org.apache.openmeetings.util.process.ProcessHelper [http-nio-0.0.0.0-5080-exec-1] - START doJodConvert ################# DEBUG 06-21 14:20:05.260 ProcessHelper.java 87569 105 org.apache.openmeetings.util.process.ProcessHelper [http-nio-0.0.0.0-5080-exec-1] - java -Doffice.home=/usr/lib64/libreoffice -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/commons-io-1.4.jar -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/juh-3.2.1.jar -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/jurt-3.2.1.jar -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/ridl-3.2.1.jar -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/unoil-3.2.1.jar -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/commons-cli-1.1.jar -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/json-20090211.jar -cp /usr/lib/jodconverter-core-3.0-beta-4/lib/jodconverter-core-3.0-beta-4.jar -jar /usr/lib/jodconverter-core-3.0-beta-4/lib/jodconverter-core-3.0-beta-4.jar /var/opt/openmeetings-3.0.6/webapps/om/uploadtemp/files/17af39c7e97129bf101f6771e4866ccd.xls /var/opt/openmeetings-3.0.6/webapps/om/upload/files/17af39c7e97129bf101f6771e4866ccd/17af39c7e97129bf101f6771e4866ccd.pdf DEBUG 06-21 14:20:07.559 ProcessHelper.java 89868 153 org.apache.openmeetings.util.process.ProcessHelper [http-nio-0.0.0.0-5080-exec-1] - exitVal: 0 ............... ================ ending log =================== I truly don't know what was happening on my environment. I like to close this issue. once again, thanks for your time and dedication. Regards, NgMDat.
