Problem with Oracle Enterprise manager

If you can't run Oracle Enterprise manager ...

$ ./opmnctl startall

ias-component/process-type/process-set:
HTTP_Server/HTTP_Server/HTTP_Server/

Error
--> Process (index=1,uid=186798,pid=9999)
failed to start a managed process after the maximum retry limit

$less Log:
/usr/home/oracle/product/10.1.3/OracleAS_1/opmn/logs/HTTP_Server~1

ias-component/process-type/process-set:
OC4J/home/default_group/

Error
--> Process (index=1,uid=1867980864,pid=450578)
time out while waiting for a managed process to start
Log:
/usr/home/oracle/product/10.1.3/OracleAS_1/opmn/logs/OC4J~home~default_group~1

You must chenge directory to Apache log directory an delete all files.

$cd ../../Apache/Apache/logs
$rm *

That's all ...