Invoking MBean on multiple OC4J processes

Hi
I have an OAS with a OC4J instance that is running on multiple OC4J processes. Using the javax.management.remote classes how do I tell the JMXConnectorFactory class that it needs to connect to multiple OC4J processes to invoke the mbean methods?
Regards,
Néstor Boscán

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MULTIPLE ARCHIVER PROCESSES FAQ ( ORACLE 8I NEW FEATURE )

제품 : ORACLE SERVER
작성날짜 : 2002-04-19
MULTIPLE ARCHIVER PROCESSES FAQ ( ORACLE 8I NEW FEATURE )
=========================================================
PURPOSE
1. LOG_ARCHIVE_MAX_PROCESSES가 하는 역할
2. LOG_ARCHIVE_MAX_PROCESSES 값은 동적으로 변경 가능한지 여부
3. Archiver process의 갯수가 동적으로 바뀌는 메카니즘
4. 어떤 archiver process가 online log를 archive시켰는지 판단 방법
Explanation
1. LOG_ARCHIVE_MAX_PROCESSES가 하는 역할
Oracle 8i에는 다중 archive destination을 지원하며, 단일 archiver의
부하를 줄여주기 위해 multiple archiver process를 사용할 수 있다.
LOG_ARCHIVE_MAX_PROCESSES 파라미터로 구동시킬 최대 ARCH 프로세스의
갯수를 지정하면 된다.
만약 LOG_ARCHIVE_START 값이 TRUE로 지정되어 있다면 인스턴스 구동시
init 파일에 지정된 LOG_ARCHIVE_MAX_PROCESSES에 지정된 값을 읽어
들인다. 만약 LOG_ARCHIVE_START 값이 true인데 LOG_ARCHIVE_MAX_PROCESSES
값이 별도로 지정되어 있지 않을 경우에는 arc0 프로세스만을 구동시킨다.
LOG_ARCHIVE_MAX_PROCESSES 값이 별도로 지정되었을 경우 (1 - 10 범위),
arc0, arc1 과 같은 추가 프로세스를 구동시킨다.
하지만, 이 파라미터 값을 기본값 1이 아닌 다른 값으로 명시적으로 지정할
필요는 없다. 왜냐하면, 시스템에서 몇개의 ARCn 프로세스가
필요한지를 판단하여, 추가 ARCn 프로세스를 생성하기 때문이다.
2. LOG_ARCHIVE_MAX_PROCESSES 값은 동적으로 변경 가능한지 여부
alter system 명령에서 set LOG_ARCHIVE_MAX_PROCESSES=n 으로
지정하여 동적으로 값을 변경할 수 있다. 이때 n은 1 부터 10사이의
값이어야 한다. 하지만, LOG_ARCHIVE_START 값이 FALSE로 지정되어
있을 경우에는, 명령을 실행시켜도 아무런 영향을 미치지
못한다.
3. Archiver process의 갯수가 동적으로 바뀌는 메카니즘
만약 LOG_ARCHIVE_START 값이 TRUE로 지정되어 있다면, 오라클에서는
구동시 하나의 archiver process (ARC0)를 구동시킨다. 이 파라미터
값은 필요시 LATER SYSTEM 명령으로 지정된 갯수만큼의
archive process를 구동시킬 수 있다.
예)
SVRMGRL>alter system set LOG_ARCHIVE_MAX_PROCESSES=4;
위 명령을 실행 시키면 다음과 같은 절차에 따라 ARC1, ARC2, ARC3를
추가한다.
1) Shadow process는 primary archive process에게 프로세스 갯수를
늘릴 것을 요청한다.
2) Archiver process는 kcrrschd 함수를 호출한다. (kcrrschd:
다중 arch process를 schedule)
3) 만약 요청된 process의 갯수가 현재 사용중인 archiver process
갯수보다 작은지 확인한다. 만약 새로 지정된 값이 적거나, ARCHIVING이
DISABLE 된 상태라면 다른 조치를 취하지 않고 return 한다. 그렇지
않다면 지원되는 최대 갯수인 10을 넘는지 확인하고 10을 넘을 경우에는
프로세스의 갯수를 10으로 지정한다.
4) Scheduler 함수는 kcrxs{} structure에 대한 latch를 확보한다.
여기서 kcrxs{} structure는 ARCH Activation status를 나타낸다.
5) Scheduler 함수는 지정된 process 갯수 만큼 loop를 돌면서
schedule된 상태를 structure KCRRSCHED에 반영시킨다.
6) 그리고 나서 latch를 release 시킨 후 kcrrsmp 함수를 ( kcrrsmp:
다중 arch processs 구동 ) 호출한다.
7) kcrrsmp 함수는 kcrrxs{} structure (ARCH 구동 상태)에 대한 latch를
확보하여 code 실행을 serialize 시켜 이 함수가 동시에 실행되더라도
한번에 하나씩 실행될 수 있도록 한다.
8) pending 상태에 있는 archiver process를 스케쥴링 하고, dead process가
있으면 clean up 시킨다.
9) 그리고 나서 이 함수는 지정된 process 갯수 만큼 loop를 돌면서
KCRRSCHED 상태를 KCRRSTART으로 바꾸어, archiver process들을
구동 준비 상태로 만든다.
10) latch를 release 시킨 후 ARCH 프로세스를 구동시킨다.
11) kcrrsmp함수는 latch를 다시 획득한다. 각각의 archiver 프로세스는
자기 자신을 activate 시킬 것을 통보 받는다. archiver process는
자기 자신을 activate 시킨 후 alert file에 관련 사항을 기록한다.
12) 호출을 하는 함수는 모든 archiver process가 자기 자신을
activate 시키고, kcrrxs structure의 내용을 갱신할 때 까지
sleep 상태에서 대기한다.
13) 끝으로, 현재 archiver process의 갯수가 요청된 archiver process
의 갯수와 일치 하면, latch를 release 시키고 break 한다. ( C
에서의 break )
alert. log 에는 위 과정이 다음과 같이 반영된다.
sql: prodding the archiver
ALTER SYSTEM SET log_archive_max_processes=4;
Tue Jul 13 02:15:14 1999
ARC0: changing ARC1 KCRRNOARCH->KCRRSCHED
ARC0: changing ARC2 KCRRNOARCH->KCRRSCHED
ARC0: changing ARC3 KCRRNOARCH->KCRRSCHED
ARC0: STARTING ARCH PROCESSES
ARC0: changing ARC1 KCRRSCHED->KCRRSTART
ARC0: changing ARC2 KCRRSCHED->KCRRSTART
ARC0: changing ARC3 KCRRSCHED->KCRRSTART
ARC0: invoking ARC1
Tue Jul 13 02:15:15 1999
ARC1: changing ARC1 KCRRSTART->KCRRACTIVE
Tue Jul 13 02:15:15 1999
ARC0: Initializing ARC1
ARC0: ARC1 invoked
ARC0: invoking ARC2
ARC1 started with pid=10
ARC1: Archival started
Tue Jul 13 02:15:15 1999
ARC2: changing ARC2 KCRRSTART->KCRRACTIVE
Tue Jul 13 02:15:15 1999
ARC0: Initializing ARC2
ARC2 와 ARC3도 동일한 절차를 따른다.
흥미로운 사실은 프로세스의 갯수를 줄일 수도 있다는 것이다. 예를 들어
다음과 같은 명령을 실행시킬 경우
SVRMGRL>alter system set LOG_ARCHIVE_MAX_PROCESSES=2;
다음과 같은 작업이 순서대로 실행된다.
1) shadow process는 현재 active 상태인 archiver process와 접속을 한다.
2) archiverprocess는 kcrrxmp 함수를 호출한다. ( kcrrxmp: 다중
Arch process 정지 )
3) kcrrxmp 함수는 kcrrxs{} structure에 (ARCH 구동 상태) 대한 latch를 획득하여 다른 프로세스에서 structure를 동시에 병경하지 않도록 한다.
4) 새로 요청된 archiver process의 갯수가 현재 사용중인 archiver process
의 갯수보다 작은지 확인한다.
5) 만약 작다면, archiver process 목록 가운데, 가장 최근에 schedule
되어, archival 작업에 schedule 차례가 금방 돌아 오지 않을 프로세스를
찾아낸다.
6) 각각의 프로세스에 대해 KCRRACTIVE 상태에서 KCRRSHUTDN로 상태를
변경할 것을 요청한다.
7) 상태가 바뀌면, OS에서 해당 프로세스를 종료시키도록 하고, 상태를
KCRRDEAD로 바꾼다. 관련된 상태 정보가 정리되고 kcrrxs{} structure의
내용이 갱신된다.
6) ,7) 과정은 지정된 archiver process 갯수로 줄어들 때 까지
반복된다.
8) 새로운 archiver process의 갯수로 kcrrxs structure 내용이 갱신된다.
9) latch를 release 시킨다.
상태 변동은 다음과 같이 alert. log 파일에 반영된다.
sql: prodding the archiver
Tue Jul 13 00:34:20 1999
ARC3: changing ARC0 KCRRACTIVE->KCRRSHUTDN
ARC3: sending ARC0 shutdown message
ARC3: changing ARC1 KCRRACTIVE->KCRRSHUTDN
ARC3: sending ARC1 shutdown message
ARC3: received prod
Tue Jul 13 00:34:20 1999
ALTER SYSTEM SET log_archive_max_processes=2;
Tue Jul 13 00:34:20 1999
ARCH shutting down
ARC0: Archival stopped
ARC0: changing ARC0 KCRRSHUTDN->KCRRDEAD
Tue Jul 13 00:34:20 1999
ARCH shutting down
ARC1: Archival stopped
ARC1: changing ARC1 KCRRSHUTDN->KCRRDEAD
4. 어떤 archiver process가 online log를 archive시켰는지 판단 방법
Archiver process는 round-robin 방식으로 archiving 작업을 수행하도록
schedule 된다. 만약 다중 archiver process가 부하에 따라 activate 된
경우는 여러가지 경우의 수가 있을 수 있다. Oracle 8i에서는 다중
archive log dest를 지원하면서 archive log에 대한 duplexing을 지원
하기 때문에, 어떤프로세스가 log file을 archive 시켰는지를 기록할 필요가
있다.
Oracle 8i에서 archival 작업은 성공할 때 마다 trace file에 archiver
process 명을 기록한다.
다음은 관련 trace file의 주요 내용이다.
Instance name: v815
Redo thread mounted by this instance: 1
Oracle process number: 12
Unix process pid: 3658, image: oracle@oracle8i (ARC3)
*** Session ID:(12. 1) 1999. 07. 13. 02. 15. 15. 000
*** 1999. 07. 13. 02. 15. 15. 000
*** 1999. 07. 13. 02. 33. 06. 000
ARC3: Begin archiving log# 1 seq# 38 thrd# 1
ARC3: VALIDATE
ARC3: PREPARE
ARC3: INITIALIZE
ARC3: SPOOL
ARC3: Creating archive destination 1 : '/bigdisk/oracle8i/dbs/arch/1_38.
dbf'
ARC3: Archiving block 1 count 1 to : '/bigdisk/oracle8i/dbs/arch/1_38.
dbf'
ARC3: Closing archive destination 1 : /bigdisk/oracle8i/dbs/arch/1_38.
dbf
ARC3: FINISH
ARC3: Archival success destination 1 : '/bigdisk/oracle8i/dbs/arch/1_38.
dbf'
ARC3: COMPLETE, all destinations archived
ARC3: ArchivedLog entry added: /bigdisk/oracle8i/dbs/arch/1_38. dbf
ARC3: ARCHIVED
*** 1999. 07. 13. 02. 33. 06. 000
ARC3: Completed archiving log# 1 seq# 38 thrd# 1
이 정보를 가지고, archive process 3이 log sequence 38번을
destination 1 :/bigdisk/oracle8i/dbs/arch 에 archive 시킨 것을 알 수 있다.
Reference Ducumment
<Note:73163.1>

제품 : ORACLE SERVER
작성날짜 : 2002-04-19
MULTIPLE ARCHIVER PROCESSES FAQ ( ORACLE 8I NEW FEATURE )
=========================================================
PURPOSE
1. LOG_ARCHIVE_MAX_PROCESSES가 하는 역할
2. LOG_ARCHIVE_MAX_PROCESSES 값은 동적으로 변경 가능한지 여부
3. Archiver process의 갯수가 동적으로 바뀌는 메카니즘
4. 어떤 archiver process가 online log를 archive시켰는지 판단 방법
Explanation
1. LOG_ARCHIVE_MAX_PROCESSES가 하는 역할
Oracle 8i에는 다중 archive destination을 지원하며, 단일 archiver의
부하를 줄여주기 위해 multiple archiver process를 사용할 수 있다.
LOG_ARCHIVE_MAX_PROCESSES 파라미터로 구동시킬 최대 ARCH 프로세스의
갯수를 지정하면 된다.
만약 LOG_ARCHIVE_START 값이 TRUE로 지정되어 있다면 인스턴스 구동시
init 파일에 지정된 LOG_ARCHIVE_MAX_PROCESSES에 지정된 값을 읽어
들인다. 만약 LOG_ARCHIVE_START 값이 true인데 LOG_ARCHIVE_MAX_PROCESSES
값이 별도로 지정되어 있지 않을 경우에는 arc0 프로세스만을 구동시킨다.
LOG_ARCHIVE_MAX_PROCESSES 값이 별도로 지정되었을 경우 (1 - 10 범위),
arc0, arc1 과 같은 추가 프로세스를 구동시킨다.
하지만, 이 파라미터 값을 기본값 1이 아닌 다른 값으로 명시적으로 지정할
필요는 없다. 왜냐하면, 시스템에서 몇개의 ARCn 프로세스가
필요한지를 판단하여, 추가 ARCn 프로세스를 생성하기 때문이다.
2. LOG_ARCHIVE_MAX_PROCESSES 값은 동적으로 변경 가능한지 여부
alter system 명령에서 set LOG_ARCHIVE_MAX_PROCESSES=n 으로
지정하여 동적으로 값을 변경할 수 있다. 이때 n은 1 부터 10사이의
값이어야 한다. 하지만, LOG_ARCHIVE_START 값이 FALSE로 지정되어
있을 경우에는, 명령을 실행시켜도 아무런 영향을 미치지
못한다.
3. Archiver process의 갯수가 동적으로 바뀌는 메카니즘
만약 LOG_ARCHIVE_START 값이 TRUE로 지정되어 있다면, 오라클에서는
구동시 하나의 archiver process (ARC0)를 구동시킨다. 이 파라미터
값은 필요시 LATER SYSTEM 명령으로 지정된 갯수만큼의
archive process를 구동시킬 수 있다.
예)
SVRMGRL>alter system set LOG_ARCHIVE_MAX_PROCESSES=4;
위 명령을 실행 시키면 다음과 같은 절차에 따라 ARC1, ARC2, ARC3를
추가한다.
1) Shadow process는 primary archive process에게 프로세스 갯수를
늘릴 것을 요청한다.
2) Archiver process는 kcrrschd 함수를 호출한다. (kcrrschd:
다중 arch process를 schedule)
3) 만약 요청된 process의 갯수가 현재 사용중인 archiver process
갯수보다 작은지 확인한다. 만약 새로 지정된 값이 적거나, ARCHIVING이
DISABLE 된 상태라면 다른 조치를 취하지 않고 return 한다. 그렇지
않다면 지원되는 최대 갯수인 10을 넘는지 확인하고 10을 넘을 경우에는
프로세스의 갯수를 10으로 지정한다.
4) Scheduler 함수는 kcrxs{} structure에 대한 latch를 확보한다.
여기서 kcrxs{} structure는 ARCH Activation status를 나타낸다.
5) Scheduler 함수는 지정된 process 갯수 만큼 loop를 돌면서
schedule된 상태를 structure KCRRSCHED에 반영시킨다.
6) 그리고 나서 latch를 release 시킨 후 kcrrsmp 함수를 ( kcrrsmp:
다중 arch processs 구동 ) 호출한다.
7) kcrrsmp 함수는 kcrrxs{} structure (ARCH 구동 상태)에 대한 latch를
확보하여 code 실행을 serialize 시켜 이 함수가 동시에 실행되더라도
한번에 하나씩 실행될 수 있도록 한다.
8) pending 상태에 있는 archiver process를 스케쥴링 하고, dead process가
있으면 clean up 시킨다.
9) 그리고 나서 이 함수는 지정된 process 갯수 만큼 loop를 돌면서
KCRRSCHED 상태를 KCRRSTART으로 바꾸어, archiver process들을
구동 준비 상태로 만든다.
10) latch를 release 시킨 후 ARCH 프로세스를 구동시킨다.
11) kcrrsmp함수는 latch를 다시 획득한다. 각각의 archiver 프로세스는
자기 자신을 activate 시킬 것을 통보 받는다. archiver process는
자기 자신을 activate 시킨 후 alert file에 관련 사항을 기록한다.
12) 호출을 하는 함수는 모든 archiver process가 자기 자신을
activate 시키고, kcrrxs structure의 내용을 갱신할 때 까지
sleep 상태에서 대기한다.
13) 끝으로, 현재 archiver process의 갯수가 요청된 archiver process
의 갯수와 일치 하면, latch를 release 시키고 break 한다. ( C
에서의 break )
alert. log 에는 위 과정이 다음과 같이 반영된다.
sql: prodding the archiver
ALTER SYSTEM SET log_archive_max_processes=4;
Tue Jul 13 02:15:14 1999
ARC0: changing ARC1 KCRRNOARCH->KCRRSCHED
ARC0: changing ARC2 KCRRNOARCH->KCRRSCHED
ARC0: changing ARC3 KCRRNOARCH->KCRRSCHED
ARC0: STARTING ARCH PROCESSES
ARC0: changing ARC1 KCRRSCHED->KCRRSTART
ARC0: changing ARC2 KCRRSCHED->KCRRSTART
ARC0: changing ARC3 KCRRSCHED->KCRRSTART
ARC0: invoking ARC1
Tue Jul 13 02:15:15 1999
ARC1: changing ARC1 KCRRSTART->KCRRACTIVE
Tue Jul 13 02:15:15 1999
ARC0: Initializing ARC1
ARC0: ARC1 invoked
ARC0: invoking ARC2
ARC1 started with pid=10
ARC1: Archival started
Tue Jul 13 02:15:15 1999
ARC2: changing ARC2 KCRRSTART->KCRRACTIVE
Tue Jul 13 02:15:15 1999
ARC0: Initializing ARC2
ARC2 와 ARC3도 동일한 절차를 따른다.
흥미로운 사실은 프로세스의 갯수를 줄일 수도 있다는 것이다. 예를 들어
다음과 같은 명령을 실행시킬 경우
SVRMGRL>alter system set LOG_ARCHIVE_MAX_PROCESSES=2;
다음과 같은 작업이 순서대로 실행된다.
1) shadow process는 현재 active 상태인 archiver process와 접속을 한다.
2) archiverprocess는 kcrrxmp 함수를 호출한다. ( kcrrxmp: 다중
Arch process 정지 )
3) kcrrxmp 함수는 kcrrxs{} structure에 (ARCH 구동 상태) 대한 latch를 획득하여 다른 프로세스에서 structure를 동시에 병경하지 않도록 한다.
4) 새로 요청된 archiver process의 갯수가 현재 사용중인 archiver process
의 갯수보다 작은지 확인한다.
5) 만약 작다면, archiver process 목록 가운데, 가장 최근에 schedule
되어, archival 작업에 schedule 차례가 금방 돌아 오지 않을 프로세스를
찾아낸다.
6) 각각의 프로세스에 대해 KCRRACTIVE 상태에서 KCRRSHUTDN로 상태를
변경할 것을 요청한다.
7) 상태가 바뀌면, OS에서 해당 프로세스를 종료시키도록 하고, 상태를
KCRRDEAD로 바꾼다. 관련된 상태 정보가 정리되고 kcrrxs{} structure의
내용이 갱신된다.
6) ,7) 과정은 지정된 archiver process 갯수로 줄어들 때 까지
반복된다.
8) 새로운 archiver process의 갯수로 kcrrxs structure 내용이 갱신된다.
9) latch를 release 시킨다.
상태 변동은 다음과 같이 alert. log 파일에 반영된다.
sql: prodding the archiver
Tue Jul 13 00:34:20 1999
ARC3: changing ARC0 KCRRACTIVE->KCRRSHUTDN
ARC3: sending ARC0 shutdown message
ARC3: changing ARC1 KCRRACTIVE->KCRRSHUTDN
ARC3: sending ARC1 shutdown message
ARC3: received prod
Tue Jul 13 00:34:20 1999
ALTER SYSTEM SET log_archive_max_processes=2;
Tue Jul 13 00:34:20 1999
ARCH shutting down
ARC0: Archival stopped
ARC0: changing ARC0 KCRRSHUTDN->KCRRDEAD
Tue Jul 13 00:34:20 1999
ARCH shutting down
ARC1: Archival stopped
ARC1: changing ARC1 KCRRSHUTDN->KCRRDEAD
4. 어떤 archiver process가 online log를 archive시켰는지 판단 방법
Archiver process는 round-robin 방식으로 archiving 작업을 수행하도록
schedule 된다. 만약 다중 archiver process가 부하에 따라 activate 된
경우는 여러가지 경우의 수가 있을 수 있다. Oracle 8i에서는 다중
archive log dest를 지원하면서 archive log에 대한 duplexing을 지원
하기 때문에, 어떤프로세스가 log file을 archive 시켰는지를 기록할 필요가
있다.
Oracle 8i에서 archival 작업은 성공할 때 마다 trace file에 archiver
process 명을 기록한다.
다음은 관련 trace file의 주요 내용이다.
Instance name: v815
Redo thread mounted by this instance: 1
Oracle process number: 12
Unix process pid: 3658, image: oracle@oracle8i (ARC3)
*** Session ID:(12. 1) 1999. 07. 13. 02. 15. 15. 000
*** 1999. 07. 13. 02. 15. 15. 000
*** 1999. 07. 13. 02. 33. 06. 000
ARC3: Begin archiving log# 1 seq# 38 thrd# 1
ARC3: VALIDATE
ARC3: PREPARE
ARC3: INITIALIZE
ARC3: SPOOL
ARC3: Creating archive destination 1 : '/bigdisk/oracle8i/dbs/arch/1_38.
dbf'
ARC3: Archiving block 1 count 1 to : '/bigdisk/oracle8i/dbs/arch/1_38.
dbf'
ARC3: Closing archive destination 1 : /bigdisk/oracle8i/dbs/arch/1_38.
dbf
ARC3: FINISH
ARC3: Archival success destination 1 : '/bigdisk/oracle8i/dbs/arch/1_38.
dbf'
ARC3: COMPLETE, all destinations archived
ARC3: ArchivedLog entry added: /bigdisk/oracle8i/dbs/arch/1_38. dbf
ARC3: ARCHIVED
*** 1999. 07. 13. 02. 33. 06. 000
ARC3: Completed archiving log# 1 seq# 38 thrd# 1
이 정보를 가지고, archive process 3이 log sequence 38번을
destination 1 :/bigdisk/oracle8i/dbs/arch 에 archive 시킨 것을 알 수 있다.
Reference Ducumment
<Note:73163.1>

Multiple OC4J instances

What is the difference between
1) Creating two OC4J instances on the same host and deploying the same application
on both with the same URL context
2) Creating one OC4J instance on one host with two processes

2) Creating one OC4J instance on one host with twoprocesses
m_yasin, can you explain how you plan to do that?
Inside of the Enterprise Manager which comes with OracleAS, there's a "Create OC4J Instance" button. You can click that and create a new OC4J instance with a name of your choosing.
With the multiple process model you have one set ofconfiguration files to maintain. So
arguably the onus on management/config is less.If you have one set of configuration files, then when
you start oc4j, you have to at least specify
different port for each of those multiple process.
Can it be/is it done by oracle AS automatically
behind the scene? OracleAS automatically takes care of it for you -- the OPMN component of OracleAS is responsible for starting (and ongoing monitoring) of processes -- it will allocate a unique set of ports to each instance it manages.
If you look in the $ORACLE_HOME/opmn/conf/opmn.xml file, you will see that where there is an entry for an OC4J instance, you will see a number of sub elements which effectively define a protocol and a port range to use for that protocol. OPMN will select a free value from this range (starting from the lower bound) and assign to each process it starts.
If you are using OC4J standalone and manually starting each instance, then you need to adjust the ports in one of the instances so that there are no collisions. This is done using the XML files in the j2ee/home/config directory.
>
I have been trying to collect any advantage and
disadvantage of start two oc4j processes with one
oc4j configuration. However, I would like to know
first if this is a supported configuration of AS.Yes its fully supported with OracleAS -- the documentation clearly covers it.
To start multiple-processes from one configuration file, you can either edit the opmn.xml file and specify a value >1 for the num_procs element inside of relecant OC4J instance's process-type configuration or you can do the same thing by entering a value >1 against the "The Number of Java Virtual Machines'" configuration setting inside of Enterprise Manager.
cheers
-steve-

DeploymentRuntimeException: Cannot connect to any of the OC4J process(es)

Hello,
I've got 2 Linux (RHEL 3) servers with Oracle Application Server 10.1.3.0.0 installed. Both of these are part of a cluster -- node 1 is specified as administrative node, node 2 isn't. However, when I try to deploy to the "home" OC4J process of both through the Enterprise Manager, I get the following error... Same thing when I try to undeploy an application that is deployed to both instances. Funny thing is, despite the exception in the server output, the EM claims the application is (un)deployed successfully. And this seems to be correct, since I can access my application on both nodes seperately. Still, the undeploy does give some problems, as it doesn't seem to get undeployed completely on my non-administrative node (node2).
SEVERE: ClusterDeploymentFactory.getDeploymentManager Cannot connect to any of the OC4J process(es) in the cluster
oracle.oc4j.admin.deploy.spi.exceptions.DeploymentRuntimeException: Cannot connect to any of the OC4J process(es) in the cluster
at oracle.oc4j.admin.deploy.spi.ClusterHelper.getLocalClusterDomain(ClusterHelper.java:353)
at oracle.oc4j.admin.deploy.spi.ClusterDeploymentManager.<init>(ClusterDeploymentManager.java:119)
at oracle.oc4j.admin.deploy.spi.factories.ClusterDeploymentFactory.getDeploymentManager(ClusterDeploymentFactory.java:198)
at javax.enterprise.deploy.shared.factories.DeploymentFactoryManager.getDeploymentManager(DeploymentFactoryManager.java:112)
at oracle.sysman.ias.studio.j2ee.deploy.oc4j.OC4JDeploymentContextSupport._getManager(OC4JDeploymentContextSupport.java:235)
at oracle.sysman.ias.studio.j2ee.deploy.oc4j.OC4JDeploymentContextSupport.getConnectedDeploymentManager(OC4JDeploymentContextSupport.java:156)
at oracle.sysman.ias.studio.j2ee.deploy.oc4j.IASClusterDeploymentContextSupport.getConnectedDeploymentManager(IASClusterDeploymentContextSupport.java:128)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at oracle.sysman.ias.studio.jmx.JMXContextHandler.invoke(JMXContextHandler.java:147)
at $Proxy0.getConnectedDeploymentManager(Unknown Source)
at oracle.sysman.ias.studio.j2ee.deploy.DeployModel.<init>(DeployModel.java:169)
at oracle.sysman.ias.studio.j2ee.deploy.DeployPageUtil.createCachedDeployModel(DeployPageUtil.java:261)
at oracle.sysman.ias.studio.j2ee.deploy.UndeployPageHelper.checkSessionValidity(UndeployPageHelper.java:106)
at oracle.sysman.ias.studio.j2ee.shared.ui.PageHelperBase.initializeRequestHandling(PageHelperBase.java:196)
at oracle.sysman.ias.studio.j2ee.shared.ui.PageHelperBase.validate(PageHelperBase.java:378)
at oracle.sysman.ias.studio.sdk.AbstractController.validate(AbstractController.java:635)
at oracle.sysman.ias.studio.j2ee.deploy.DeployController.validate(DeployController.java:194)
at oracle.sysman.emSDK.svlt.PageHandler.handleRequest(PageHandler.java:371)
at oracle.sysman.emSDK.svlt.EMServlet.myDoGet(EMServlet.java:747)
at oracle.sysman.emSDK.svlt.EMServlet.doGet(EMServlet.java:283)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:719)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:376)
at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:870)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:451)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:299)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:187)
at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
at java.lang.Thread.run(Thread.java:595)
On startup, I see the following:
Node 1:
06/07/31 10:30:09 [INFO] UDP - -socket information:
local_addr=192.168.200.73:35342, mcast_addr=225.1.2.3:45671, bind_addr=/192.168.200.73, ttl=32
sock: bound to 192.168.200.73:35342, receive buffer size=64000, send buffer size=32000
mcast_recv_sock: bound to 192.168.200.73:45671, send buffer size=131071, receive buffer size=80000
mcast_send_sock: bound to 192.168.200.73:35343, send buffer size=131071, receive buffer size=80000
Node 2:
06/07/31 10:28:38 [INFO] UDP - -socket information:
local_addr=192.168.200.74:35338, mcast_addr=225.1.2.3:45671, bind_addr=/192.168.200.74, ttl=32
sock: bound to 192.168.200.74:35338, receive buffer size=64000, send buffer size=32000
mcast_recv_sock: bound to 192.168.200.74:45671, send buffer size=131071, receive buffer size=80000
mcast_send_sock: bound to 192.168.200.74:35339, send buffer size=131071, receive buffer size=80000
In opmn.xml, this is defined on both nodes:
<notification-server interface="ipv4">
<port local="6100" remote="6200" request="6003"/>
<ssl enabled="true" wallet-file="$ORACLE_HOME/opmn/conf/ssl.wlt/default"/>
<topology>
<discover list="*225.1.2.3:4567"/>
</topology>
</notification-server>
In the application.xml of the home interface on both:
<cluster allow-colocation="false" write-quota="1">
<replication-policy trigger="onRequestEnd" scope="allAttributes"/>
<protocol>
<multicast ip="225.1.2.3" port="45671"/>
</protocol>
</cluster>
Any idea what the problem could be? Is this OAS related? Maybe something in the config of my cluster?
Or lies the problem in the Linux config? The /etc/hosts file?
Any suggestions are welcome. Thanks.
Regards,
Stan

Stan,
Did you ever solve this problem. I am having a similar issue.
Regards,
Ian.

Error occurred in deployment step 'Add Solution': A timeout has occurred while invoking commands in SharePoint host process.

Hi,
I am deplyoing a solution which has custom web parts- vwp- appln pages, event receivers.
It was working fine till last week. I was able to deploy the solution and able to see the web parts and func. was working.
But now from the last 2 days onwards, when I tried to depoy this soution, I am getting the error
"Error occurred in deployment step 'Add Solution': A timeout has occurred while invoking commands in SharePoint host process "
may i know why am getting this error.
note: my dev machine- Win Srvr 2012 - VS 2012- SP 2013 - SP D 2013 was having soem issues with the space in C drive.
once i have done the index reset few months back and i started getting space in C:\ Drive is 0 bytes.
so what my infra. team has done is , increased the space in drive to 150 GB[ it was a VM ].
help is appreciated !

What is current disk space on your drives
Delete ULS logs and other log files from server id not needed
could be related to ChannelOperationTimeout
http://msdn.microsoft.com/en-us/library/ee471440(v=vs.100).aspx
Also, don't forget to restart Visual Studio
Goto the following regustry key: HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\10.0\SharePointTools
Add the following as a DWORD (wont be there by default)
ChannelOperationTimeout
REG_DWORD that specifies the time, in seconds, that Visual Studio waits for a SharePoint command to execute. If the command does not execute in time, a SharePointConnectionException is thrown.
The default is 120 seconds.
http://social.technet.microsoft.com/wiki/contents/articles/21052.como-resolver-o-erro-error-occurred-in-deployment-step-activate-features-a-timeout-has-occurred-while-invoking-commands-in-sharepoint-host-process-pt-br.aspx
If this helped you resolve your issue, please mark it Answered

Error occurred in deployment step 'Activate Features': A timeout has occurred while invoking commands in SharePoint host process.

Error 1 Error occurred in deployment step 'Activate Features': A timeout has occurred while invoking commands in SharePoint host process.
0 0 myProjectAssetsLists
am getting the above error when i deploy my farm solution which is actually a "farm solution import package" template.
i am deploying this to a new site collection and once its features are activated this will provision few doc libs and splists in the targeted site.
any help is appreciated.

try below link:
http://msdn.microsoft.com/en-us/library/ee471440.aspx
http://sujeetrec.blogspot.in/2013/12/sharepoint-2010-deployment-timing-out.html
Increase the timeout that Visual Studio waits for SharePoint to deploy a feature:
Create: [HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\10.0\SharePointTools] ChannelOperationTimeout DWORD
The value is a timeout in seconds. The default is 120 (2 minutes).
Full details on this switch and others are here:
http://msdn.microsoft.com/en-us/library/ee471440.aspx

A communication error has occurred while invoking commands in SharePoint host process

Hi All,
I am using Virtual box to connect to Sharepoint 2013 VPC. Due to an unexpected sutdown of my machine the VPC got some issue. Now I restored it using my bak up file. But after this when I deploy my sharepoint 2013 farm solution Iam getting the following error.
Error occurred in deployment step 'Recycle IIS Application Pool': A communication error has occurred while invoking commands in SharePoint host process: The server did not provide a meaningful reply; this might be caused by a contract mismatch, a premature
session shutdown or an internal server error.
What could be the issue? Any suggestions ?
Thanks in advance...
Regards
Nimisha
[email protected]

Hi Nimisha,
Seems that the original issue of communication error has been solved, for this new issue, it is recommended that you open a new thread which can make others easier
to focus on one issue in one single thread.
Best regards,
Patrick
Patrick Liang
TechNet Community Support

How to access/invoke Web Service from BPM Process

The following steps required to attach and invoke web service method from process:
1) Add a module in the catalog for ex WebServiceMO
2) Add WebService Catalog component demoWebService in WebServiceMO
3) Put ur WSDL address in WSDL address field like "http://localhost:8080/test/test?wsdl"
4) Click next to introspect the web service it will import required files and setting from the url to your project
5) Now for invoking webservice just call the method for ex.
@return as String[]
getTestStringList(TestInterfaceService, out @return : @return)
logMessage "web service calll result >>"+length(@return)+">>>"+@return[0]
Here @ return is the return from webservice call.
this way u can access web service from BPM process.
Edited by: Anurag Yadav on Jul 17, 2009 2:19 PM

I have a web service which does not return any value but when I introspect the web service, I have an out parameter to it.. Not sure why?
For e.g.
TestServiceListener.addTestNotes(TestNotes : testNotes, out TestNoteResponse : testNoteResponse);
So here I see an out parameter, but my web-service has no out parameter...
Any idea why is this happening?

One Oracle Application Server and multiple OC4J Instances

While we are getting new server (for development) we have to set-up a Development and Production enviroment for our project (dont have previous OAS installation) but on the same machine.
So, is a good option to have One OAS INstallation (Ora Home) and then create multiple OC4J instances, one for each environment (Development, QA and Production)?, is it possible? How to manage deployments between OC4J instances, simulating different contexts if they are in the same server and under the same HTTP Server? Will be there conflicts?

Hi,
you can do this and OracleAs will manage the different instances. The deployment can be done with Enterprise Manager in which case you select the OC4J instance first before deploying. If deploying from JDeveloper, you can specify the OC4J instance when creating the named connection
Frank

Photoshop elements 8 not proceeding at multiple file processing

Hi everyone,
I've got the following problem with photoshop elements 8. I worked for a long time with it. Using the multiple file processing functionality a lot. I do quite a lot of big shoots and I only use the raw settings for processing. After that I let photoshop elements do the rest of the work, which is converting all my raw images into jpegs and resizing them to prepare them for uploading. These shoots often contain more then 200 photographs.
As of this last weekend when I start up the multiple file processing window it starts opening the first file but does not proceed. Which means that I have to edit all the images by myself and resize them to the proper size etc etc etc. I really don't want to do this. This funcionality is one of the main reasons why I use photoshop. Anyone got any idea why it suddenly stopped working? Anyone else experienced this and solved it?
Thanks a lot.
Ben

One thing to check is the bit depth that camera raw is set to.
Open a raw photo in the camera raw dialog and look down along
the bottom of the dialog where it says bit depth. If it says 16bit,
change to 8 bit and press done.
Photoshop elements sometimes won't process 16 bit files using process
multiple files.
MTSTUNER

Automatic Payment Programme for multiple vendors process

Hi SAP FICO Experts,
Please send Automatic Payment Programme for multiple vendors process
Step by step
Regards
Maran

Hi,
You need to follow same process.
Regards,
Tejas

Multiple BPEL Process Managers in one environment?

Hi,
I'm quite new to the Oracle SOA product line, so please be gentle when my question doesn't make sense.
I’m in the process of designing a new enterprise architecture based on service orientation. I’m looking at the Oracle SOA Suite software to get a better understanding of what things will look like when getting to the actual implementation.
Some internal projects are moving fast, so I’m trying to get an understanding on how things will work out in the future. One case has my current attention, related to the BPEL Process Manager.
A 3rd party vender is offering a specific solution which is using or based on the BPEL Process Manager. This solution can be purchased as a black-box. From the perspective of my new architecture I would like to purchase the SOA suite as a whole. New developments will most likely be using the BPEL Process Manager for orchestration. But when purchasing the black-box application, the environment will be extended with an extra BPEL Process Manager. My first thought is to try and incorporate the BPEL processes from the 3rd party vendor onto one single BPEL Process Manager. But I also think two BPEL Process Managers can have advantages.
I’m not sure how to go forward with this. How should I handle this? Is it common to have multiple BPEL Process Managers in one environment or should I pursue maximum integration and only go for one BPEL Process Manager?

Hi,
We have similar situation at my current client site and we are going with two seperate BPEL PM installs for various reasons. One of the main driver in our case is conflicting in timelines of two seperate projects.
But my suggestion is to go with single enterprise install if that's not breaking the 3rd-party vendor supporting contracts. This has obviously benefits of redecued infrastructure/administrative and other related costs. How many processes does the vendor has as part of their solution? If they are handful you know it doesn't justify having seperate environments.
On the otherhand having two seperate installs isn't bad either depending on how big or small your SOA service/process orchestration footprint is. We don't have complete handle on the performance/scalability aspects of BPEL PM based on number of processes deployed. But as you can see that may be one of drivers to have redundancy in BPEL PM servers.
End of the day there is no clear cut answer. If you have funding and resources, go with two seperate instances. But from architectural perspective better to have single install with clustering for better performance/scalability.
HTH
Regards,
Rajesh

Individialized multiple file processing

Hi everybody,
I would appreciate your answer in the following: Does PSE provide a frame for individual setting of multiple file processing (macro command function?). The standardized one does not help me, as the quick fix option do not turn out as I need it.
I usually have about 30-40 photos per day which I need to adjust with "smart fix 1%" - takes ages to do these all individually.
Thanks for your reply.

No, there's no macro function. What you see in the "Process Multiple Files" dialog is all you get.
You can use the free XnView image viewer application:
http://www.xnview.com/
which allows batch processing with image adjustments which can be customized.
Ken

Auto-start OC4J process after Linux reboot

Oracle 11gR2, OC4J 10g (10.1.3.5.0), RHEL5 64 bit
Hi All,
I am trying to figure out how to get my oc4j process start at boot time. I already have a dbora script setup. I tried adding the following line to my dbora/dbstart script but it did not do anything:
#!/bin/sh
# chkconfig: 345 99 10
description: Oracle auto start-stop script.
ORACLE_OC4J_HOME=/u02/oc4j
JAVA_HOME=/usr/java/jdk1.6.0_21/
su - $ORACLE_OWNER -c "$ORACLE_OC4J_HOME/bin/oc4j -start"
I read somewhere that I may need to put the entire path like:
/usr/bin/java -jar /path/to/oc4j.jar &
Just not sure where and how to put that path in the file.
Thanks for your help all.
JrOraDBA

Hi,
To run oc4j in the background, on Linux
Execute the following command:
nohup ./oc4j -start &
to run oc4j in the background. The 'nohup' command ignores the hangup signal (closing the terminal window) and enables oc4j to continue running in the background.
In rare cases, oc4j will not shutdown cleanly with the standard command:
./oc4j -shutdown -port 23791 -oc4jadmin <admin_pwd>
In those cases, try the following command:
java -jar admin_client.jar deployer:oc4j:localhost oc4jadmin <admin_pwd> -shutdown
to stop the oc4j service.
Thanks,
Sharmela

Invoke-command -computername RemoteServer {start-process c:\install\.bat}

I am running an invoke command from a PC to run a .bat file on a remote server. However i would like to see the output of the .bat file run in my powershell window on my local PC. Any tips on this?
I have this at the moment
invoke-command -computername Server {start-process c:\install\.bat}
however this just completes without showing me anything. Can i see the output of the .bat file on my local PC?
Thanks in advance

invoke-command -computername Server01 -filepath c:\Scripts\scriptname.ps1
The script has to be on the local machine or has access to it.
If this is helpful please mark it so. Also if this solved your problem mark as answer.

Invoking MBean on multiple OC4J processes

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