Out of memory while commiting uow objects

we are getting this error message when we try to persist our objects, is there an upper limit on the object size that we can persist? Do we need to enable or
disable any property? we currently have OptimizeDataConversion turned off
com.integral.finance.dealing.ejb.RequestService.process(com.integral.message.WorkflowMessage)
throws java.rmi.RemoteException
java.lang.OutOfMemoryError: allocLargeObjectOrArray - Object size: 1328752, Num
elements: 664365
at
oracle.jdbc.driver.OraclePreparedStatement.allocBinds(OraclePreparedStatement.java:1147)
at
oracle.jdbc.driver.OraclePreparedStatement.growBinds(OraclePreparedStatement.java:1294)
at
oracle.jdbc.driver.OraclePreparedStatement.processCompletedBindRow(OraclePreparedStatement.java:1920)
at
oracle.jdbc.driver.OraclePreparedStatement.addBatch(OraclePreparedStatement.java:8930)
at
oracle.toplink.internal.databaseaccess.DatabasePlatform.addBatch(DatabasePlatform.java:138)
at
oracle.toplink.platform.database.oracle.Oracle9Platform.addBatch(Oracle9Platform.java:207)
at
oracle.toplink.internal.databaseaccess.ParameterizedSQLBatchWritingMechanism.prepareBatchStatements(ParameterizedSQLBatchWritingMechanism.java:170)
at
oracle.toplink.internal.databaseaccess.ParameterizedSQLBatchWritingMechanism.executeBatchedStatements(ParameterizedSQLBatchWritingMechanism.java:124)
at
oracle.toplink.internal.databaseaccess.ParameterizedSQLBatchWritingMechanism.appendCall(ParameterizedSQLBatchWritingMechanism.java:71)
at
oracle.toplink.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:478)
at
oracle.toplink.internal.databaseaccess.DatabaseAccessor.executeCall(DatabaseAccessor.java:441)
at oracle.toplink.publicinterface.Session.executeCall(Session.java:728)
at
oracle.toplink.internal.queryframework.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:117)
at
oracle.toplink.internal.queryframework.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:103)
at
oracle.toplink.internal.queryframework.DatasourceCallQueryMechanism.insertObject(DatasourceCallQueryMechanism.java:238)
at
oracle.toplink.internal.queryframework.StatementQueryMechanism.insertObject(StatementQueryMechanism.java:158)
at
oracle.toplink.internal.queryframework.StatementQueryMechanism.insertObject(StatementQueryMechanism.java:173)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.insertObjectForWrite(DatabaseQueryMechanism.java:429)
at
oracle.toplink.queryframework.InsertObjectQuery.executeCommit(InsertObjectQuery.java:63)
at
oracle.toplink.queryframework.InsertObjectQuery.executeCommitWithChangeSet(InsertObjectQuery.java:76)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.performUserDefinedWrite(DatabaseQueryMechanism.java:522)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.insertObjectForWrite(DatabaseQueryMechanism.java:358)
at
oracle.toplink.queryframework.WriteObjectQuery.executeCommitWithChangeSet(WriteObjectQuery.java:107)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.executeWriteWithChangeSet(DatabaseQueryMechanism.java:254)
at
oracle.toplink.queryframework.WriteObjectQuery.executeDatabaseQuery(WriteObjectQuery.java:47)
at
oracle.toplink.queryframework.DatabaseQuery.execute(DatabaseQuery.java:620)
at
oracle.toplink.queryframework.DatabaseQuery.executeInUnitOfWork(DatabaseQuery.java:542)
at
oracle.toplink.queryframework.ObjectLevelModifyQuery.executeInUnitOfWorkObjectLevelModifyQuery(ObjectLevelModifyQuery.java:100)
at
oracle.toplink.queryframework.ObjectLevelModifyQuery.executeInUnitOfWork(ObjectLevelModifyQuery.java:72)
at
oracle.toplink.publicinterface.UnitOfWork.internalExecuteQuery(UnitOfWork.java:2631)
at
oracle.toplink.publicinterface.Session.executeQuery(Session.java:993)
at
oracle.toplink.publicinterface.Session.executeQuery(Session.java:950)
at
oracle.toplink.mappings.ObjectReferenceMapping.preInsert(ObjectReferenceMapping.java:469)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.insertObjectForWrite(DatabaseQueryMechanism.java:380)
at
oracle.toplink.queryframework.InsertObjectQuery.executeCommit(InsertObjectQuery.java:65)
at
oracle.toplink.queryframework.InsertObjectQuery.executeCommitWithChangeSet(InsertObjectQuery.java:76)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.performUserDefinedWrite(DatabaseQueryMechanism.java:522)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.insertObjectForWrite(DatabaseQueryMechanism.java:358)
at
oracle.toplink.queryframework.WriteObjectQuery.executeCommitWithChangeSet(WriteObjectQuery.java:110)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.executeWriteWithChangeSet(DatabaseQueryMechanism.java:254)
at
oracle.toplink.queryframework.WriteObjectQuery.executeDatabaseQuery(WriteObjectQuery.java:47)
at
oracle.toplink.queryframework.DatabaseQuery.execute(DatabaseQuery.java:620)
at
oracle.toplink.queryframework.DatabaseQuery.executeInUnitOfWork(DatabaseQuery.java:542)
at
oracle.toplink.queryframework.ObjectLevelModifyQuery.executeInUnitOfWorkObjectLevelModifyQuery(ObjectLevelModifyQuery.java:100)
at
oracle.toplink.queryframework.ObjectLevelModifyQuery.executeInUnitOfWork(ObjectLevelModifyQuery.java:72)
at
oracle.toplink.publicinterface.UnitOfWork.internalExecuteQuery(UnitOfWork.java:2631)
at
oracle.toplink.publicinterface.Session.executeQuery(Session.java:993)
at
oracle.toplink.publicinterface.Session.executeQuery(Session.java:950)
at
oracle.toplink.mappings.ObjectReferenceMapping.preInsert(ObjectReferenceMapping.java:469)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.insertObjectForWrite(DatabaseQueryMechanism.java:380)
at
oracle.toplink.queryframework.InsertObjectQuery.executeCommit(InsertObjectQuery.java:65)
at
oracle.toplink.queryframework.InsertObjectQuery.executeCommitWithChangeSet(InsertObjectQuery.java:76)
at
oracle.toplink.internal.queryframework.DatabaseQueryMechanism.executeWriteWithChangeSet(DatabaseQueryMechanism.java:254)
at
oracle.toplink.queryframework.WriteObjectQuery.executeDatabaseQuery(WriteObjectQuery.java:47)
at
oracle.toplink.queryframework.DatabaseQuery.execute(DatabaseQuery.java:620)
at
oracle.toplink.queryframework.DatabaseQuery.executeInUnitOfWork(DatabaseQuery.java:542)
at
oracle.toplink.queryframework.ObjectLevelModifyQuery.executeInUnitOfWorkObjectLevelModifyQuery(ObjectLevelModifyQuery.java:100)
at
oracle.toplink.queryframework.ObjectLevelModifyQuery.executeInUnitOfWork(ObjectLevelModifyQuery.java:72)
at
oracle.toplink.publicinterface.UnitOfWork.internalExecuteQuery(UnitOfWork.java:2631)
at
oracle.toplink.publicinterface.Session.executeQuery(Session.java:993)
at
oracle.toplink.publicinterface.Session.executeQuery(Session.java:950)
at
oracle.toplink.internal.sessions.CommitManager.commitNewObjectsForClassWithChangeSet(CommitManager.java:243)
at
oracle.toplink.internal.sessions.CommitManager.commitAllObjectsForClassWithChangeSet(CommitManager.java:219)
at
oracle.toplink.internal.sessions.CommitManager.commitAllObjectsWithChangeSet(CommitManager.java:174)
at
oracle.toplink.publicinterface.Session.writeAllObjectsWithChangeSet(Session.java:3195)
at
oracle.toplink.publicinterface.UnitOfWork.commitToDatabase(UnitOfWork.java:1320)
at
oracle.toplink.publicinterface.UnitOfWork.commitToDatabaseWithChangeSet(UnitOfWork.java:1416)
at
oracle.toplink.publicinterface.UnitOfWork.commitRootUnitOfWork(UnitOfWork.java:1164)
at
oracle.toplink.publicinterface.UnitOfWork.commit(UnitOfWork.java:932)

Hello, we encounter this problem for years on TopLink then there is not in Hibernate.
The problem is that Toplink awaits the uow.commit () before merging changes in the cache objects and before release work objects (backup and clone).
If a transaction modify 10.000 objects, TopLink references 30.000 objects (10.000 refCache, 10.000 clone, 10.000 backup). The 30.000 objects will be released once the database commit completed and the merge completed in memory.
We want Toplink offers an option to make several Flush in unitOfWork, each flush will send SQL to database (insert, update, delete) without sql commit then mark flushed Objects as invalid before releasing them so that the garbage collector can garbage flushed objects.
Example:
{color:#0000ff}*uow.begin()* {color} / * begin of transaction on 10.000 objects * /
application modify first 1.000 objects (from 1 to 1.000)
uow.flush () / * Toplink send sql to database, toplink flag 1.000 as invalid, Toplink release 1.000 objects to the GC * /
application modify next 1000 objects (from 1.001 to 2.000)
uow.flush () / * Toplink send sql to database, toplink flag 1.000 as invalid, Toplink release 1.000 objects to the GC * /
application modify last 1000 objects objects (9001 .. 10000)
uow.flush () / * Toplink send sql to database, toplink flag 1.000 as invalid, Toplink release 1.000 objects to the GC * /
{color:#0000ff}*uow.commit();* {color}/ * Toplink send sql-commit to database, no objects to release to GC* /
Can you tell me if you intend to implement this function because we need long running transaction process without outOfMemory suffer?
Thank you for your understanding
Tabi

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                    updateLimitRequestFillPriceForBatch(limitRequests);
               cursor.close();
We are committing every 50 records in the unit of work, if we set DontMaintianCache on the ReadAllQuery we are getting PrimaryKeyExceptions intermittently, and we do not see much difference in the IdentityMap size.
Any suggestions/ideas for dealing with large data sets? Thanks

Hi,
If I use read-only classes with CursoredStream and execute the query within UOW, should I be saving any memory?
I had to use UOW because when I use Session to execute the query I get
6115: ISOLATED_QUERY_EXECUTED_ON_SERVER_SESSION
Cause: An isolated query was executed on a server session: queries on isolated classes, or queries set to use exclusive connections, must not be executed on a ServerSession or in CMP outside of a transaction.
I assume marking the descriptor as read-only will avoid registering in UOW, but I want to make sure that this is the case while using CursoredStream.
We are running in OC4J(OAS10.1.3.4) with BeanManagedTransaction.
Please suggest.
Thanks
-Raam
Edited by: Raam on Apr 2, 2009 1:45 PM

Problem : Application run out of memory while processing image I/O.

Hi,
I have coded an application (utility) for creating scaled (JPEG) images (thumb nails) and writing (saving) them to files. I tried this with both imageio package of jdk1.4 and com.sun.image.codec.jpeg.* classes of earlier version. Application works with both versions but when I execute it for more (say more than 10 images) images, system becomes very slow and application starts throwing a memory related (OutOfMemoryError) error. Is it that objects of java image related classes consume too much memory ? How to solve this problem ? (My system run P4 processor with 256 MB RAM).
Awaiting solution,
Thanx and regards,
IB

So I am not alone in this...
I wrote the jpeg thumbnail generating code over a year ago and now when I am ready to use it in the finished app. I noticed that each process (as monitored using Forte 3's execution window) that instantiates a new ImageIcon object is never killed by the JVM. As more and more processes are started for distinct tasks they build up endlessly. Here's the method which is almost identical to the test code provided in sun's tutorial for generating thumbnails from jpeg and gif image files (http://developer.java.sun.com/developer/TechTips/1999/tt1021.html) :
public boolean createThumbImage(int maxDim) throws EntegraEntityException {
     * Reads an image in a file and creates
     * a thumbnail in another file.
     * @param this.getImagePath() The name of image file.
     * @param thumb The name of thumbnail file.
     * Will be created if necessary.
     * @param maxDim The width and height of
     * the thumbnail must
     * be maxDim pixels or less.
       String thumbsource = this.path + this.filename;
       String thumbdest = this.path + "thumbs_" + maxDim + File.separator/*"\\"*/ + Utilities.replaceString(Utilities.replaceString(this.filename," ","_","ALL").trim(),"[.][a-zA-Z]*",".jpg","ALL");
   // System.out.println("thumbsource in createthumbimage(): " + thumbsource + "\n");
   // System.out.println("thumbdest in createthumbimage(): " + thumbdest + "\n");
        try {
            // Get the image from a file.
            java.awt.Image inImage = new ImageIcon (thumbsource).getImage();
            // Determine the scale.
         double scale = (double)maxDim/(double)inImage.getHeight(null);
            if (inImage.getWidth(null) > inImage.getHeight(null)) {
                scale = (double)maxDim/(double)inImage.getWidth(null);
            // Determine size of new image.
            //One of them
            // should equal maxDim.
            int scaledW = (int)(scale*inImage.getWidth(null));
            int scaledH = (int)(scale*inImage.getHeight(null));
            // Create an image buffer in
            //which to paint on.
            BufferedImage outImage =
              new BufferedImage(scaledW, scaledH,
                BufferedImage.TYPE_INT_RGB);
            // Set the scale.
            AffineTransform tx =
              new AffineTransform();
            // If the image is smaller than
            //the desired image size,
            // don't bother scaling.
            if (scale < 1.0d) {
                tx.scale(scale, scale);
            // Paint image.
            Graphics2D g2d =
             outImage.createGraphics();
            g2d.drawImage(inImage, tx, null);
            g2d.dispose();
            // JPEG-encode the image
            //and write to file.
            Utilities.fileMakeDirs(this.path + "thumbs_" + maxDim + File.separator/*"\\"*/);
            Utilities.fileMakeFile(thumbdest);
            OutputStream os =
             new FileOutputStream(thumbdest);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(os);
            encoder.encode(outImage);
            os.close();
            return true;
        } catch (IOException e) {
            throw new EntegraEntityException("IO exception creating thumbnail for Image object ID: " + this.getId() + " ::",e);
        } catch (EntegraFileIOException fi) {
            throw new EntegraEntityException("File IO exception creating thumbnail for Image object ID: " + this.getId() + " ::",fi);
    //    return false; //Never reached. Since it doesn't live in the "try" block but must be here to ensure method body gets a return value.
}:During my troubleshooting of the method execution yesterday I discovered that the stuck process only occurs as a consequence of the line shown in bold below :
java.awt.Image inImage = new ImageIcon (thumbsource).getImage();
:this indicates to me that there is something wrong with how either the Image object or the ImageIcon file resources are allocated. At first I tried using the "flush()" method of the java.awt.Image class to release the resources to no avail, later I was able to confirm that the error does not occur for the default constructor of ImageIcon only for the one that specifies the source path (as shown in the line above) this indicates that a fileIO stream is being created and probably not being released inside ImageIcon or Image, but since that stream is probably private to those core classes we can't access it to close() it properly. I sure hope I am wrong on this or there is an alternative to using these classes..
Please let me know if any of you have other ideas on how to quash this bug or can otherwise find flaws in my logic for it's occurance.
Regards,
Sent2null

RT-Target running out of memory while writing to Network Stream

Hey there,
I have a program, that transfers acquired data from the FPGA to the Host-PC. The RT-VI reads the data from the DMA-FIFO and writes it onto a Network Stream (BlockDiagram.png).
Now I am experiencing a phenomenon, that the RT-Target loads its RAM until it's full, and crashes.
I have no idea, why this happens, the buffer of the Network Stream is empty, all elements are read by the Host, and there is no array built by indexing or so.
Has anybody an idea, how I can handle this?
Best regards,
Solved!
Go to Solution.
Attachments:
BlockDiagram.png ‏43 KB
DSM.png ‏78 KB

Hey there,
I got the problem solved,
the problem was, the buffer of the sender endpoint was too big. Unlike this problem: http://digital.ni.com/public.nsf/allkb/784CB8093AE30551862579AB0050C429, it wasn't memory growth because of dynamic memory allocation,
it's just the normal speed of the cRIO while allocating the buffer memory. Setting the sender buffer much smaller, memory growth stops at a specific level (DSM2.png).
It's only strange, that memory usage grows that slowly, despite creating the endpoint with preallocated buffer, while usage sinks rapidly when the VI-execution stops...
Best regards...
Attachments:
DSM2.png ‏63 KB

While creating DB using DBCA getting ORA-27102: out of memory in Linux

Hi All,
I am working on 11.2.0.3 oracle Redhat linux. I am getting error "ORA-27102: out of memory" while creating a new database using dbca
Below are the DB ans OS details. Please check it and let me know what i need to do to overcome this issue.
SQL> select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
$uname -a
Linux greenlantern1a 2.6.18-92.1.17.0.1.el5 #1 SMP Tue Nov 4 17:10:53 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
$cat /etc/sysctl.conf
# Controls the maximum shared segment size, in bytes
kernel.shmmax = 68719476736
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 4294967296
kernel.shmall = 2097152
kernel.shmmax = 4294967295
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.core.rmem_default = 4194304
net.core.wmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_max = 1048576
fs.file-max = 6815744
fs.aio-max-nr = 1048576
net.ipv4.ip_local_port_range = 9000 65500
$free -g
total used free shared buffers cached
Mem: 94 44 49 0 0 31
-/+ buffers/cache: 12 81
Swap: 140 6 133
$ulimit -l
32
$ipcs -lm
Shared Memory Limits
max number of segments = 4096
max seg size (kbytes) = 4194303
max total shared memory (kbytes) = 8388608
min seg size (bytes) = 1
Also created a trace file under trace loction and it suggesting to changes shm parameter value. but i am not sure which parameter (shmmax or shmall) and value i need to modify.
below are trace file info
Trace file /u02/app/oracle/diag/rdbms/beaconpt/beaconpt/trace/beaconpt_ora_9324.trc
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = /u02/app/oracle/product/11.2.0.3
System name: Linux
Node name: greenlantern1a
Release: 2.6.18-92.1.17.0.1.el5
Version: #1 SMP Tue Nov 4 17:10:53 EST 2008
Machine: x86_64
Instance name: beaconpt
Redo thread mounted by this instance: 0 <none>
Oracle process number: 0
Unix process pid: 9324, image: oracle@greenlantern1a
*** 2012-02-02 11:09:53.539
Switching to regular size pages for segment size 33554432
Switching to regular size pages for segment size 4261412864
skgm warning: ENOSPC creating segment of size 00000000fe000000
fix shm parameters in /etc/system or equivalent
Please let me what are the kernel parameter values i need to chage to work this.
Thanks in advance.

Yes it is same question, but i didn't have any solution there and still looking for some help. the solution it was provided in the last post is not working and getting the same error even with less thn 20% of memory. Please let me know how to overcome this issue.
Thanks

Adobe Indesign CC out of memory error/crash while scrolling

As I am moving about in my InDesign document (on a MAC), I get a error message saying I'm "OUT OF MEMORY" while I scroll w/ either the space bar on the keyboard and or document scroll bar. I just updated a new patch thru Adobe for InDesign and restarted my computer several times.
Please need some answers.
Thanks,
Moofia66

Please visit the InDesign forum and look for the discussions on issues with InDesign CC. I'm locking this thread rather than move it there because there are already enough discussions there.

Blackberry Desktop Software "Out of Memory Message"

Very new to blackberry. Have had it two days. Dig it so far.
On a mac using the Blackberry Desktop Software, and tonight when updating the blackberry using this software, I started getting a message: "This device has run out of memory while synchronizing your Notes and Memos."
But in the Device Manager, it states that I have 1.2 Gb free memory, and on the blackberry itself it states I have 1.6Gb free. So I have plenty of memory. What's the cause of this error message, and how do I fix it?
Thanks.

gordonscobie wrote:
I have been getting an 'out of memory' message when using twitter app. The message appears inside the twitter app at the bottom of the screen. My phone has plenty of memory - so does anyone know what is going on and what I can do about it. When I get the message the app stops working and I need to close and reopen it.
Have you tried uninstalling and reinstalling the app? or at least a hard reset?
Click if you want to Thank someone. If Problem is resolved, so that others can make use of it.

Ora-2702 out of memory

Hello,
I am getting ora-2702 out of memory while configuring my sga to 4gb in linux(OEL5.2) 32 bit for my 11g database.
Can anyone help what are the changes need to be done in sysctl or anyother file .
the database version is 11gR2.The system is having 16gb of ram.
Regards
Nidhish

02702, 00000, "osnoraenv: error translating orapop image name"
// *Cause: ORACLE_HOME environment variable not set.
// *Action: Make sure that the ORACLE_HOME environment variable has been
// properly set and exported.please use COPY & PASTE showing exactly what you do & how Oracle actually responds

Out of memory while commiting uow objects

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