Cannot start OC4J

I have problem with start IC4J:

Code:

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./opmnctl startproc ias-component=OC4J process-type=Home
Internal error message 684 could not be found in the msb file
opmnctl: starting opmn managed processes...
Internal error message 684 could not be found in the msb file
================================================================================
opmn id=test:6200
    0 of 1 processes started.

ias-instance id=orexrep.test
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
ias-component/process-type/process-set:
    OC4J/Home/default_island

Error
--> Process (pid=24857)
    failed to start a managed process after the maximum retry limit
    Log:
    /OracleAS/AS/opmn/logs/OC4J~Home~default_island~1

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In logs:

Code:

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--------
08/01/11 11:09:40 Start process
--------
Exception in thread "main" java.lang.NoClassDefFoundError: oracle/core/ojdl/logging/LoggingConfigurationException

--------
08/01/11 11:09:42 Start process
--------
Exception in thread "main" java.lang.NoClassDefFoundError: oracle/core/ojdl/logging/LoggingConfigurationException

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help!)

is your ORACLE_HOME set correctly

yes

Code:

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env|grep ORA
ORACLE_SID=orexrep
ORACLE_HOME=/OracleAS/AS/

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