Unable to allocate 27160 bytes.........Help needed urgently

hi
in my production database in getting this error..
ORA-04031: unable to allocate 27160 bytes of shared memory ("shared
pool","unknown object","sga heap(1,0)","session param values")
help needed urgently

If you have a program that does not use bind variables you can get this error.
In such cases you do not want to increase the size of the shared pool, but reduce it, and flush regularly. This is a bug in the application and should be fixed to use bind variables.
Another possible workaround is setting cursor_sharing = force, but this can cause other problems, so should only be used as a last resort. If the apps connections can be distinguished by user account or machine, then a log on trigger could be set cursor_sharing just for that application, to limit the damage until the vendor can fix it.

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ORA-04031: unable to allocate 33568 bytes of shared memory in Oracle 10g

Hi,
I am getting following message frequently while taking export in Oracle 10g database:-
EXP-00008: ORACLE error 4031 encountered
ORA-04031: unable to allocate 33568 bytes of shared memory ("shared pool","DBMS_REPCAT_UTL","PL/SQL MPCODE","BAMIMA: Bam Buffer")
ORA-06508: PL/SQL: could not find program unit being called: "SYS.DBMS_REPCAT_UTL"
ORA-06512: at "SYS.DBMS_REPCAT_EXP", line 87
ORA-06512: at line 1
EXP-00083: The previous problem occurred when calling SYS.DBMS_REPCAT_EXP.schema_info_exp
EXP-00008: ORACLE error 4031 encountered
ORA-04031: unable to allocate 16416 bytes of shared memory ("shared pool","SELECT SYNNAM, SYNNAM, SYNTA...","kgghtInit","kgghtInit")
EXP-00000: Export terminated unsuccessfully
Whats could be the reason?

There could be a few reasons causing the problem. From literal message it would look like your shared pool size is small and you need to increase. But the root cause of the problem is a little more complicated than that. I suggest you read metalink doc
Diagnosing and Resolving Error ORA-04031
Doc ID: Note:146599.1

ORA-04301:Unable to allocate 8144 bytes of shared memory

I am using 64 bit version of oracle 10g Release 2 (10.2.0.1.0)
I am randomly getting this error. The full error message is below:
ORA-04301:Unable to allocate 8144 bytes of shared memory("large pool","COMPANYHISTORY","kxs-heap-w","qesaQBinit:buffer")
The table name keeps changing as the queries change. Similarly sometimes instead of "large pool" I get "shared pool" in the above message.
I tried increasing the shared pool size but the problem did not resolve.
Please help
Regards
Madhup

I have already tried that, but I am not able to solve the problem. Is there a way to compute how much space you should define for the shared pool, the large pool etc.
Regards
Madhup

ORACLE error ORA-04031: unable to allocate 16 bytes of memory

Error
UDI-04031: operation generated ORACLE error 4031
ORA-04031: unable to allocate 16 bytes of shared memory ("shared pool","SELECT j
generated during import operation, using documentation about migration from 10g XE to 11g XE.

Hello,
you could try to override the automatic memory management and setup your SGA to be larger by setting SGA_TARGET. If that doesn't help yet, you could even try to configure the memory size for the components in SGA manually, but I guess this won't be necessary.
After your import is done, I'd recommend to use automatic memory management again.
See the XE 2 Day DBA for details, especially the section on [url http://download.oracle.com/docs/cd/E17781_01/server.112/e18804/memory.htm#ADMQS174]Managing Memory. It's not a complete guide, but a rough introduction, but it'll probably help you understand the memory concepts in the database.
Keep in mind that you may only assign 1 GB of memory in total when you setup your memory manually.
-Udo

ORA-04031: unable to allocate 128 bytes of shared memory

Hi,
experts i need your advice here,
in my application we have on so called Master view which has 550 columns, this view is left outer join with 60 other views, something like
select c1
from   master_view
         left outer join v1 on --
         left outer join v2 on --
         left outer join v60 the compilation of the master view takes around 140 secs, but when i give grants to other users, or i re compile again, it shows me the error
ORA-04031: unable to allocate 128 bytes of shared memory plz assist me how i should resolve this issue,
Regards
nic

Hi billy,
your idea worked big big time,
i encaspulated all the outer joins views in small small views and finally build mv on each views,
the master view is plain equijoin, and has only 5 new mvs in its join condition,
the performance is increased tremendously,
thanks,
some times i wonder y i dont get such ides ;-);
all and all i can say,
good judgement comes from good experience, but good experience comes from bad judgement...
Regards
nic

ORA-04031: unable to allocate 64 bytes of shared memory

Hi All,
We are performing System copy on a distributed environment with OS Windows 2003 and DB Oracle 10.2.0.4
While importing the Database (ABAP) only ,we are facing error and 5 import steps are failing in Import ABAP phase.
Error is "ORA-00604: error occurred at recursive SQL level 1
ORA-04031: unable to allocate 4120 bytes of shared memory ("shared pool","select user#,type# from user...","Typecheck","kgghteInit")
(DB) INFO: disconnected from DB"
There is already one Oracel Instance OracleXX1 is runing this is the second instance and the server has around 1.75 GB RAM...i
Can you please suggest what could be the error.
Regards
Ajay

Dears,
Please try increase your database parameter shared_pool_size in pfile and then try to resume the activity.
Regards,
Shivam

ORA-04031: unable to allocate 4096 bytes if shared memory

Hello Gurus,
Did anyone got this type of error before:
ERROR:
ORA-20414: Materialized View refresh failed - ORA-12008: error in materialized view refresh path
ORA-04031: unable to allocate 4096 bytes of shared memory ("shared pool","IDX_MIF_SITE","pacdHds_kkpaco","stP_kkpacd: kkpodPacdInit")
Every sunday full refresh of the data warehouse is scheduled. This sunday it didn't complete and gave us the above error. This can be solved by increasing the shared pool memory size. But DBA doesnot want to increase it every sunday(This has been going on for 3 weeks now) and it's not feasible to increase like this everytime.
We want to find the actual cause of it and fix?
Does anyone know the solution or can throw some light on this issue?
Thanks,
Sanjay

We want to find the actual cause of it and fix?The cause is simple - you have run out of memory assigned to the Shared Pool in the SGA.
The root cause is more of an issue. The Shared Pool is mostly used for keeping the SQL statements and supporting information (such as cursor support). Each unique SQL statement requires it's own area in the shared pool, however identical statements can used the same (shared) area. Shared Pool is also used to store the 'current' data dictionary (table, view, etc.) information. And in some cases, it's also used for 'large' operations such as direct path insert block builds.
Some of the possible reasons for running out of shared pool might include
- it's simply undersized;
- not enough SQL is actually shareable;
- the large pool has not been allocated.
That second one is frequent when the application builds up SQL statements by concatenating pieces, including literals (user input) and then executing the unique statement. This is a common technique by developers using .Net, Perl or having SQL Server background. (That mode of operation is very susceptible to SQL Injection.)
You can get a lot more info from:
- searching the forum;
- looking in the docco (Concepts manual and Performance Tuning guide);
- books, like Tom Kyte's "Expert One on One Oracle", "Effective Oracle By Design", and newer on apress.com

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Macbook pro two days old...bought logic from app store...logic has installed partly each time i open it up it wants to download rest of programme then stops half way thru and gets error message 'logic is unable to continue with download' help needed !

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I would trot back into the Apple store and have them fix the problem (or call Applecare with a warranty issue). There is no sense in you wasting your time trying to troubleshoot things on a new computer.
Barry

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when i try to upgrage my
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Some J2ME midlets doubts!! help needed urgently!!!

Hi,
I am currently working in a company where it does wireless technology like WAP and I am assigned a task of creating a screensaver midlet. I have some doubts on the midlets.
1) How do i use a midlet suites? From what I heard from my colleagues & friends, a servlet is needed for midlets to interact with one another. is it true?
2) How do I get the startin midlet to take note the phone is idling so that the screen saver midlet can be called?
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Unable to allocate nnnn bytes of shared memory

Hello,
When I do search for string like '%AB%' or '%b%', I get this error very often.
I also incresed the LARGE_POOL=JAVA_POOL=SHARED_POOL=64MB on oracle 9i Server.
I search in IfsDefault service, which contains not more than 200 files in KBs
Please suggest some remedy to overcome this problem.
Regards,
Bahadur Singh
Config: Orcale9i Server with 9i File System on Win 2000 with 512 MB RAM
ERROR MESSAGE:
oracle.ifs.common.IfsException: IFS-22012: SQL Error while executing Search
java.sql.SQLException: ORA-04031: unable to allocate 73628 bytes of shared memory ("large pool","unknown object","hash-join subh","kllcqc:kllcqslt")
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
at oracle.jdbc.ttc7.TTIoer.processError(TTIoer.java:289)
at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:573)
at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1891)
at oracle.jdbc.ttc7.TTC7Protocol.fetch(TTC7Protocol.java:1198)
at oracle.jdbc.driver.OracleStatement.doExecuteQuery(OracleStatement.java:2400)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:2655)
at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:589)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:527)
at oracle.ifs.server.S_LibrarySession.executeQuery(S_LibrarySession.java:14358)
at oracle.ifs.server.S_Search.open(S_Search.java:290)
at oracle.ifs.server.S_LibrarySession.DMOpenSearch(S_LibrarySession.java:5452)
at oracle.ifs.beans.LibrarySession.DMOpenSearch(LibrarySession.java:9513)
at oracle.ifs.beans.Search.open(Search.java:533)
at oracle.ifs.beans.Search.open(Search.java:493)
at oracle.ifs.beans.Search.open(Search.java:445)

Seems like an iFS issue. Please post on the iFS forum: http://forums.oracle.com/forums/forum.jsp?id=436819

UNABLE TO ALLOCATE 34824 BYTES OF SHARED MEMORY

Hai
Server Configuration:
Windows 2003 R2
Service Pack 2
Intel Xeon
E5620 @ 2.40Ghz
16 Gb RAM
Table Space Allocation:
TEMP - 1 GB(TEMP01.DBF 1GB)
USERS -9 GB (2 Data File - USERS01.DBF(5 GB), USERS02.DBF(4GB))
SYSTEM - 12 GB (SYSTEM01.DBF 12GB)
Error Message:
*ORA-04031 UNABLE TO ALLOCATE 34824 BYTES OF SHARED MEMORY("SHARED
POOL","UNKNOWN OBJECT","SGA HEAL(1,0)","TRACE BUF HDR XTEND")*

Hai
Oracle9i Enterprise Edition Release 9.0.1.1.1 - Production
PL/SQL Release 9.0.1.1.1 - Production
CORE 9.0.1.1.1 Production
TNS for 32-bit Windows: Version 9.0.1.1.0 - Production
NLSRTL Version 9.0.1.1.1 - Production
I know oracle 9i is unsupported version.
I have one doubt. Based on windows 2003 server configuration, how manu GB space I have to
allocate to the table space?. Is there any space limit for table space?

Load bar at start up, then shut down. HELP NEEDED URGENTLY!!! plss....

Load bar at start up, then shut down. HELP NEEDED URGENTLY!!! plss..

The startup disk may need repairing.
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ORA-04031:unable to allocate 32 bytes of memory :on UPGRADE to 10.2.0.4

Hi upgraded from 10.2.0.1 to 10.2.0.4 and I consistently start getting this error
ORA-00604: error occurred at recursive SQL level 1
ORA-04031: unable to allocate 32 bytes of shared memory ("shared pool","select job, nvl2(l
ast_date, ...","sql area","tmp")
even instance crashed couple of times...
Thanx
Gagan

What is the complete message for ORA-04031 (I mean what is there in place of '...'):
ORA-04031: unable to allocate 32 bytes of shared memory ("shared pool","select job, nvl2(l
ast_date, ...","sql area","tmp")

Help needed urgently on a problem..plzzz

hi..this is a linear congruential generator. I have to implement it and i need the execution time for the program.
for your understanding i'm providing an example below.
Xn=(( a* xn-1 )+b) mod m
If X0=7 ; a = 7 ; b =7 ; m=10
Then
X0 = 7
X1 =((7 * 7) + 7))mod 10 = 6
X2 = ((6*7)+7))mod 10 = 9
X3 = ((9*7)+7) mod 10 = 0
X4 = ((0*7)+7) mod 10 = 7
Now since the cycle is being repeated i.e 7 appears again�so the period is 4 coz there are 4 diff nos. i.e 7,6,9,0�..
help required urgently....your help will be appreciated...thankyou..

Hi,
I wrote the code so that it catches any cycle (not only the "big" one).
Otherwise it will enter infinite loop...
The time complexity is O(N*logN): it can do at most N iterations (here N is your 'm'), and in each iteration there can be O(log N) comparisons (since I maintain TreeSet).
Interesting issue: is it possible to supply such (x0, a, b, m) tuple such that all possible values from 0 to m-1 will be output? I think no :)
Here is the program:
package recurr;
import java.util.TreeSet;
import java.util.Comparator;
public class Recurrences {
     private static long x0, a, b, m;
     private static TreeSet theSet;
     public static void main(String[] args)
          long l0, l1, l2, l3;
          try {
               x0 = Long.parseLong(args[0]);
               a = Long.parseLong(args[1]);
               b = Long.parseLong(args[2]);
               m = Long.parseLong(args[3]);
          } catch(NumberFormatException nfe) {
               nfe.printStackTrace();
          System.out.println("X[0]: " + x0 + "\n");
          long curr = x0;
          boolean cut = false;
          int i;
          // initialize the set
          theSet = new TreeSet(new LongComparator());
          // we can get at most m distinct values (from 0 to m-1) through recurrences
          for(i=1; i <= m; ++i) {
               // iterate until we find duplicate
               theSet.add(new Long(curr));
               curr = recurrence(curr);
               if(theSet.contains(new Long(curr))) {
                    cut = true;
                    break;
               System.out.println("X[" + i + "]: " + curr + "\n");
          if(cut) {
               System.out.println("Cycle found: the next will come " + curr + "\n");
          } else {
               System.out.println("No cycle found!");
          System.out.println("----------------------------------");
          System.out.println("Totally " + (i-1) + " iterations");
     private static long recurrence(long previous)
          return (a*previous + b)%m;
     static class LongComparator implements Comparator
          public int compare(Object o1, Object o2)
               if(((Long)o1).longValue() < ((Long)o2).longValue()) {
                    return -1;
               } else if(((Long)o1).longValue() > ((Long)o2).longValue()) {
                    return 1;
               } else return 0;
}

Unable to allocate 27160 bytes.........Help needed urgently

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