oms查看出现错误，停止oms卡住不动了

杨洪立

cc在网页不能登录，

在查看oms时候出现错误，想停止oms，但是./emctl stop oms 卡住了

错误代码如下：

1. [oracle@littledot bin]$ ./emctl status oms
   
2. Oracle Enterprise Manager Cloud Control 12c Release 5  
   
3. Copyright (c) 1996, 2015 Oracle Corporation.  All rights reserved.
   
4. WebTier is Up
   
5. Oracle Management Server is not functioning because of the following reason:
   
6. Failed to connect to repository database. OMS will be automatically restarted once it identifies that database and listener are up.
   
7. Check EM Server log file for details: /u01/app/oracle/product/12.1.0/gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS1/logs/EMGC_OMS1.out
   

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EMGC_OMS1.out 中的内容大致如下：这个该怎么处理呢？

1. [EL Severe]: 2020-08-02 01:06:02.192--ServerSession(25759288)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.1.v20111018-r10243): org.eclipse.persistence.exceptions.DatabaseException
   
2. Internal Exception: weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: ORA-01034: ORACLE not available
   
3. ORA-27102: out of memory
   
4. Linux-x86_64 Error: 12: Cannot allocate memory
   
5. Additional information: 2663
   
6. Additional information: 19333122
   
7. Additional information: 1627389952
   
8. 
   
9. Error Code: 0
   
10. <Aug 2, 2020 1:06:02 AM CST> <Warning> <JDBC> <BEA-001129> <Received exception while creating connection for pool "sysman-opss-ds": ORA-01034: ORACLE not available
    
11. ORA-27102: out of memory
    
12. Linux-x86_64 Error: 12: Cannot allocate memory
    
13. Additional information: 2663
    
14. Additional information: 19333122
    
15. Additional information: 1627389952
    
16. .>
    
17. [EL Severe]: 2020-08-02 01:06:03.207--ServerSession(25759288)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.1.v20111018-r10243): org.eclipse.persistence.exceptions.DatabaseException
    
18. Internal Exception: weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: ORA-01034: ORACLE not available
    
19. ORA-27102: out of memory
    
20. Linux-x86_64 Error: 12: Cannot allocate memory
    
21. Additional information: 2663
    
22. Additional information: 19333122
    
23. Additional information: 1627389952
    
24. 
    
25. Error Code: 0
    
26. <Aug 2, 2020 1:06:05 AM CST> <Warning> <JDBC> <BEA-001129> <Received exception while creating connection for pool "sysman-opss-ds": ORA-01034: ORACLE not available
    
27. ORA-27102: out of memory
    
28. Linux-x86_64 Error: 12: Cannot allocate memory
    
29. Additional information: 2663
    
30. Additional information: 19333122
    
31. Additional information: 1627389952
    
32. .>
    
33. [EL Severe]: 2020-08-02 01:06:06.205--ServerSession(25759288)--Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.3.1.v20111018-r10243): org.eclipse.persistence.exceptions.DatabaseException
    
34. Internal Exception: weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: ORA-01034: ORACLE not available
    
35. ORA-27102: out of memory
    
36. Linux-x86_64 Error: 12: Cannot allocate memory
    
37. Additional information: 2663
    
38. Additional information: 19333122
    
39. Additional information: 1627389952
    
40. 
    
41. Error Code: 0
    
42. INFO: Found persistence provider "org.eclipse.persistence.jpa.PersistenceProvider". OpenJPA will not be used.
    
43. <Aug 2, 2020 1:06:21 AM CST> <Warning> <JDBC> <BEA-001129> <Received exception while creating connection for pool "sysman-opss-ds": ORA-01034: ORACLE not available
    
44. ORA-27102: out of memory
    
45. Linux-x86_64 Error: 12: Cannot allocate memory
    
46. Additional information: 2663
    
47. Additional information: 19333122
    
48. Additional information: 1627389952
    
49. .>
    

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杨洪立

找到处理方法了

https://www.cnblogs.com/freeweb/p/5713513.html

1. echo 1 > /proc/sys/vm/drop_caches
   
2. 
   
3. echo 0 > /proc/sys/vm/drop_caches

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