Hi! Everyone,
I need a little help here. Last week, one of our nobreaks just dead, and with him a new error start to show on the oracle... I will try to explain.

Oracle Enterprise Manager 10g Database Control Release 10.2.0.3.0
Oracle Database 10g Release 10.2.0.3.0 - 64bit Production
PL/SQL Release 10.2.0.3.0 - Production
CORE 10.2.0.3.0 Production
TNS for Linux: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 - Production


In the file emagent.log:
Code:
2012-10-13 15:20:03 Thread-4134119088 Starting Agent 10.1.0.5.1 from /oracle/product/10.2/db_1 (00701)
2012-10-13 15:20:03 Thread-4134119088 EMAgent started successfully (00702)
2012-10-13 15:20:19 Thread-4134119088 EMAgent abnormal terminating (00704)
Looking forward I found in the file emagent.trc, one log above:
Code:
2012-10-13 15:20:03 Thread-4134119088 WARN  command: Job Subsystem Timeout set at 600 seconds
2012-10-13 15:20:03 Thread-4134119088 WARN  upload: Upload manager has no Failure script: disabled
2012-10-13 15:20:03 Thread-4134119088 WARN  upload: Recovering left over xml files in upload directory
2012-10-13 15:20:03 Thread-4134119088 WARN  upload: Recovered 45 left over xml files in upload directory
2012-10-13 15:20:03 Thread-4134119088 WARN  upload: Merging leftover data file named errors.dat
2012-10-13 15:20:03 Thread-4134119088 WARN  upload: Merging leftover data file named severity.dat
2012-10-13 15:20:03 Thread-4134119088 WARN  upload: Merging leftover data file named rawdata.dat
2012-10-13 15:20:03 Thread-4134119088 WARN  metadata: Metric Disk_Path does not have any data columns
2012-10-13 15:20:03 Thread-4134119088 WARN  metadata: Metric osm_diskGroupPolicies does not have any data columns
2012-10-13 15:20:03 Thread-4134119088 WARN  upload: Truncating value of "CATEGORY_PROP_2" from "SUSE Linux Enterprise Server 10 (x86_64) VERSION = 10 PATCHLEVEL = 2 " to "SUSE Linux Enterprise Server 10 (x86_64) VERSION = 10 PATCHLEVEL"
2012-10-13 15:20:03 Thread-4134119088 WARN  collector: the column name DiskActivityavwait in this condition does not exist
2012-10-13 15:20:03 Thread-4134119088 WARN  collector: nmecs_initializeStateFiles(): found empty directory, wiping state
2012-10-13 15:20:03 Thread-4112509856 ERROR upload: Error in uploadXMLFiles.  Trying again in 60,00 seconds.
2012-10-13 15:20:07 Thread-4099910560 WARN  upload: FxferSend: received fatal error in header from repository: http://XXXXX.local:1158/em/upload/
FATAL_ERROR::500|Invalid UTF8 encoding.
2012-10-13 15:20:07 Thread-4099910560 ERROR collector: Collector state files cleaned, severity will be resent
2012-10-13 15:20:10 Thread-4099910560 ERROR upload: Failed to upload file B0000145.xml, ret = -6
2012-10-13 15:20:10 Thread-4099910560 WARN  upload: FxferSend: received fatal error in header from repository: http://XXXXX.local:1158/em/upload/
FATAL_ERROR::500|Invalid UTF8 encoding.
2012-10-13 15:20:10 Thread-4099910560 ERROR collector: Collector state files cleaned, severity will be resent
2012-10-13 15:20:15 Thread-4099910560 ERROR upload: Failed to upload file B0000145.xml, ret = -6
2012-10-13 15:20:15 Thread-4099910560 WARN  upload: FxferSend: received fatal error in header from repository: http://XXXXX.local1158/em/upload/
FATAL_ERROR::500|Invalid UTF8 encoding.
2012-10-13 15:20:15 Thread-4099910560 ERROR collector: Collector state files cleaned, severity will be resent
2012-10-13 15:20:19 Thread-4099910560 ERROR upload: Failed to upload file B0000145.xml, ret = -6
2012-10-13 15:20:19 Thread-4099910560 ERROR upload: 3 Failures in a row for B0000145.xml, we give up
2012-10-13 15:20:19 Thread-4099910560 ERROR upload: Error in uploadXMLFiles.  Trying again in 72,00 seconds.
2012-10-13 15:20:19 Thread-4099910560 WARN  upload: FxferSend: received fatal error in header from repository: http://XXXXX.local:1158/em/upload/
FATAL_ERROR::500|Invalid UTF8 encoding.
2012-10-13 15:20:19 Thread-4099910560 ERROR upload: number of fatal error exceeds the limit 3
2012-10-13 15:20:19 Thread-4099910560 ERROR upload: agent will shutdown now
2012-10-13 15:20:19 Thread-4099910560 ERROR : Signalled to Exit with status 55
2012-10-13 15:20:19 Thread-4134119088 ERROR main: EMAgent abnormal terminating
The error is: Invalid UTF8 encoding.

Now When I start the EM (emctl start dbconsole) he start but few seconds after he stops...
Can any one help me? Thanks a LOT in ADVANCE!!!