Problems uninstalling 3.0.14

Here are the following errors that I get when I uninstall jchem-3.0.14





drop package jchem_core_pkg


*


ERROR at line 1:


ORA-04021: timeout occurred while waiting to lock object CRQ.JCHEM_CORE_PKG





drop type jc_idxtype_im


*


ERROR at line 1:


ORA-04021: timeout occurred while waiting to lock object CRQ.JC_IDXTYPE_IM





Disconnected from Oracle9i Enterprise Edition Release 9.2.0.4.0 - 64bit Production


With the Partitioning, OLAP and Oracle Data Mining options


JServer Release 9.2.0.4.0 - Production


Removing Java classes from Oracle Server


+ /u01/app/oracle/product/9.2.0.4/bin/dropjava -user crq/ryscrqdev9@chem2 ../lib/jchem.jar


Error while dropping class chemaxon/jchem/cartridge/JFunctions


ORA-04021: timeout occurred while waiting to lock object CRQ./5384b2a0_JFunctions





Error while dropping class chemaxon/jchem/cartridge/dbsession/JCSession


ORA-04021: timeout occurred while waiting to lock object CRQ./bae690c5_JCSession





+ /u01/app/oracle/product/9.2.0.4/bin/dropjava -user crq/ryscrqdev9@chem2 ../lib/dom4j.jar


Warning: not found: resource META-INF/MANIFEST.MF

The lock timeouts are most probably the result of the objects involved being used. Please, make sure that no session uses JChem Cartridge and re-run the uninstall script.