Max Semaphores reached?

How do I know if the maximum no. of semaphores allowed was ever reached. For example will it display anything in the /var/adm/messages when the maximum set in /etc/systems is reached? If it does, what will it look like?

The exact text of the WARNING when the semaphore module is attempting to
allocate more than 25% of kernel memory is:
"semsys: can't load module, too much memory requested"
Regards,
Senthilkumar

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ORA-01693-Max extents reached in lobsegment

Hi
getting this error in our alert log file
ORA-01693-Max extents <> reached in lobsegment <name>
Can any tell me how to increase (alter) logsegment
Thanks
Bhanu

alter table <table> modify lob (<lobcolumn>) (storage (maxextents unlimited))
will work

Javax.resource.spi.ResourceAdapterInternalException: max connections reache

Hello,
I am writing an application to read messages from queues.
Everything seems to be working fine, but after a number of un-deployments and deployments I start getting the following exception and have no choice but to restart the application server.
Any hint on what the root cause might be?
Exception stack trace:
2008-02-15 14:47:19,095 WARN [org.jboss.system.ServiceController:424] Problem starting service jboss.j2ee:ear=Application-1.0.ear,jar=Application-1.0.jar,name=MDB,service=EJB3
org.jboss.deployment.DeploymentException: Endpoint activation failed ra=jboss.jca:service=RARDeployment,name='wmq.jmsra.rar' activationSpec=javax.jms.Queue:wsmq/Q@@localhost; - nested throwable: (javax.resource.spi.ResourceAdapterInternalException: max connections reached)
     at org.jboss.deployment.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:53)
     at org.jboss.ejb3.mdb.inflow.JBossMessageEndpointFactory.activate(JBossMessageEndpointFactory.java:310)
     at org.jboss.ejb3.mdb.inflow.JBossMessageEndpointFactory.start(JBossMessageEndpointFactory.java:194)
     at org.jboss.ejb3.mdb.MessagingContainer.startProxies(MessagingContainer.java:190)
     at org.jboss.ejb3.mdb.MessagingContainer.start(MessagingContainer.java:156)
     at org.jboss.ejb3.mdb.MDB.start(MDB.java:126)
     at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.ejb3.ServiceDelegateWrapper.startService(ServiceDelegateWrapper.java:103)
     at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
     at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
     at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
     at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
     at $Proxy0.start(Unknown Source)
     at org.jboss.system.ServiceController.start(ServiceController.java:417)
     at org.jboss.system.ServiceController.start(ServiceController.java:435)
     at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
     at $Proxy361.start(Unknown Source)
     at org.jboss.ejb3.JmxKernelAbstraction.install(JmxKernelAbstraction.java:120)
     at org.jboss.ejb3.Ejb3Deployment.registerEJBContainer(Ejb3Deployment.java:301)
     at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:362)
     at org.jboss.ejb3.Ejb3Module.startService(Ejb3Module.java:91)
     at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
     at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
     at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
     at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
     at $Proxy0.start(Unknown Source)
     at org.jboss.system.ServiceController.start(ServiceController.java:417)
     at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
     at $Proxy34.start(Unknown Source)
     at org.jboss.ejb3.EJB3Deployer.start(EJB3Deployer.java:512)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
     at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
     at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
     at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
     at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
     at org.jboss.wsf.container.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:87)
     at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
     at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
     at $Proxy35.start(Unknown Source)
     at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
     at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1015)
     at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
     at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
     at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
     at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
     at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
     at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
     at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
     at $Proxy10.deploy(Unknown Source)
     at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
     at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
     at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
     at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
     at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
Caused by: javax.resource.spi.ResourceAdapterInternalException: max connections reached
     at com.ibm.mq.connector.ResourceAdapterConnectionPool.allocateConnection(ResourceAdapterConnectionPool.java:231)
     at com.ibm.mq.connector.ResourceAdapterImpl.endpointActivation(ResourceAdapterImpl.java:333)
     at org.jboss.resource.deployment.RARDeployment.endpointActivation(RARDeployment.java:271)
     at org.jboss.resource.deployment.RARDeployment.internalInvoke(RARDeployment.java:226)
     at org.jboss.system.ServiceDynamicMBeanSupport.invoke(ServiceDynamicMBeanSupport.java:156)
     at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
     at org.jboss.ejb3.JmxClientKernelAbstraction.invoke(JmxClientKernelAbstraction.java:44)
     at org.jboss.ejb3.mdb.inflow.JBossMessageEndpointFactory.activate(JBossMessageEndpointFactory.java:305)
     ... 101 more
ObjectName: jboss.j2ee:ear=Application-1.0.ear,jar=Application-1.0.jar,name=MDB,service=EJB3
State: FAILED
Reason: org.jboss.deployment.DeploymentException: Endpoint activation failed ra=jboss.jca:service=RARDeployment,name='wmq.jmsra.rar' activationSpec=javax.jms.Queue:wsmq/Q@@localhost; - nested throwable: (javax.resource.spi.ResourceAdapterInternalException: max connections reached)My current configuration is:
- JBoss 4.2.2-GA (linux)
- WS MQ 6.0.2.2 (linux)
I have configured JBoss the following way:
- added wmq.jmsra.rar to the $JBOSS_SERVER/deploy directory
- added com.ibm.mqetclient.jar to the $JBOSS_SERVER/lib directory
- created $JBOSS_SERVER/deploy/wmq.jmsra-ds.xml as follows
<?xml version="1.0" encoding="UTF-8"?>
<connection-factories>

<mbean code="org.jboss.resource.deployment.AdminObject" name="jca.wmq:name=wsmqQ">
    <attribute name="JNDIName">wsmq/Q</attribute>
    <depends optional-attribute-name="RARName">jboss.jca:service=RARDeployment,name='wmq.jmsra.rar'</depends>
    <attribute name="Type">javax.jms.Queue</attribute>
    <attribute name="Properties">
      baseQueueManagerName=QM1
      baseQueueName=Q
    </attribute>
</mbean>

<tx-connection-factory>
    <jndi-name>MQCF</jndi-name>
    <xa-transaction />
    <rar-name>wmq.jmsra.rar</rar-name>
   <connection-definition>javax.jms.ConnectionFactory</connection-definition>
    <config-property name="channel" type="java.lang.String">SYSTEM.DEF.SVRCONN</config-property>
    <config-property name="hostName" type="java.lang.String">127.0.0.1</config-property>
    <config-property name="port" type="java.lang.String">1414</config-property>
    <config-property name="queueManager" type="java.lang.String">QM1</config-property>
    <config-property name="transportType" type="java.lang.String">CLIENT</config-property>
</tx-connection-factory>My java MDB (EJB3) is:
@MessageDriven(name = "MDB", activationConfig = {
        @ActivationConfigProperty(propertyName = "destination", propertyValue = "wsmq/Q"),
        @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
        @ActivationConfigProperty(propertyName = "transportType", propertyValue = "CLIENT"),
        @ActivationConfigProperty(propertyName = "useJNDI", propertyValue = "true"),
        @ActivationConfigProperty(propertyName = "maxPoolDepth", propertyValue = "1") }, messageListenerInterface = MessageListener.class)
@ResourceAdapter("wmq.jmsra.rar")
public class MDB implements MessageListener {
    public void onMessage(Message message) {
        return;
}Thanks in advance for any information!
cheers!

hi
this is known to IBM as APAR IC54346 - fixed in pack 6.0.2.3

SNMP Trap on AP Max associations reached

Hi all,
I want to be able to send snmp traps to my NMS alerting our NOC to when we reach our configured max-associations on an ap. We currently use both 1130 AG and 1140-2N in autonomous mode, no controller. I have found a debug command "debug dot11 station connection failure" and the output of a test AP shows us the fact that the maximum number was reached. I need to find if it is possible to trap on such information.
Any information on this would be greatly appreciated. Also please ask me for more information if you need...
Thanks,
Daniel

Daniel,
This is a shot in the dark, but try this configuration:
ap# snmp-server enable traps dot11-mibs
I'm curious about this one, too, so please let me know if this produces the information you're looking for.
Justin

Max heap reached:Route Servlet:Out of memory

Hi All,
I have used max possible -Xmx value on a 32 bit Windows machine,
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Did anyone face this issue or has any idea on how to initialize route servlet without errors
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Thank you,
-J

HI
On windows we have a limitation that heap cannot be more than 2gb.
You can have 2 JVM and check if it helps.
First and foremost you need to find whether there no objects leak in the code.
Cheers
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Max Datafiles Reached

Hi All,
One of our DB which is running on version 7.1 which reached max datafile limit. I think the only option is to recreate the control file, now my question is can I recreate control file by increasing maxdatafile value in 7.1 version, will 7.1 support control file recreation...?
Satya.

sorry about that we posted at the same time re: os version
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Message not moving to default exception queue when max retries reached

Hi
I've set up an advanced queue with max retrie of 5 but when the dequing fails the retry count increments but it never goes to the exception queue. The retry count stays at 6, msg_state = READY, deq_txn_id = RETRY_EXCEEDED. Any ideas?
-- drop queue if it exists
exec dbms_aqadm.stop_queue (queue_name => 'AQ$_JY_METER_ENABLE_QTAB_E');
exec dbms_aqadm.stop_queue (queue_name => 'JY_METER_ENABLE_QUE');
exec dbms_aqadm.drop_queue (queue_name => 'JY_METER_ENABLE_QUE') ;
exec dbms_aqadm.drop_queue_table( queue_table => 'JY_METER_ENABLE_QTAB');
-- create the payload for the messages
CREATE TYPE jy_meter_enablement_typ AS OBJECT
request_id                VARCHAR2(30) ,
request_system_code       VARCHAR2(20) ,
business_process_ref      VARCHAR2(20) ,
request_type_ref          VARCHAR2(20) ,
meter_serial_number       VARCHAR2(10) ,
message_request_content   CLOB
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-- This one has a sort list so items will be enqueued first based on priority and then based on enq_time
BEGIN
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                            queue_table    => 'JY_METER_ENABLE_QTAB' ,
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BEGIN
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                                                          NULL,
                                                          NULL )
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                                                             HEXTORAW('FF'))),1);
END;
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BEGIN
dbms_aqadm.start_queue(queue_name => 'EMO_METER_MGMT.AQ$_JY_METER_ENABLE_QTAB_E',
                        enqueue => FALSE,
                        dequeue => TRUE);
END ;
/Thanks

Sorry, forgot to add db version
select banner from v$version/
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
PL/SQL Release 11.2.0.2.0 - Production
CORE 11.2.0.2.0 Production
TNS for Linux: Version 11.2.0.2.0 - Production
NLSRTL Version 11.2.0.2.0 - Production
5 rows selected.

Max limit reached for tablespace in SAP BW

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We are having one SAP BW system on DB6, AIX...in that the max limit for tablespabe is 512GB, which is going to be exceeded soon...
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Thanks & Regards,
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He Kunal,
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Regards,
-Beck

Max-retries reached

Hi All,
One of our clients has got a 1200 cisco AP which is their only way of connection the network (no RJ45 cabling is present in their office). They are complaining about the slowness of their network, so first I thought that it is simply a problem with too many users connecting to the same AP, but when checking the interface outputs, I found that the tx/rx=1/255. At the same time I found that there are plenty of output errors on the Dot11Radio0 interface. There are also a few interface resets. Then I checked the logs and I found that there are plenty of maxretries reached messages.
I read a few forums and they say that this might have something to do with interference. Then I ran a carrier-busy test and that showed a number under 20 for all channels, so I belive it is not the problem.
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Cheers,
Attish

Hi Jerome/fella5,
Thanks for your help.
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Do you think that the server can cause some interference, or am I following a red herring? If this did not work, I will seriously think about getting my hands on a proper tool to measeure interference.

ORA-00020 error, max connections reached

I tried logging into TOAD from back-end but it started giving error like 'ORA-00020, maximum no of connections exceeded...'. What, are the steps we can take to counter this.
I hope, my question is clear.
Please, help in solving the doubt.
regards

hi,
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# Processes and Sessions
#processes=250
processes=300
Is, there a difference from this in the maximum sessions possible which is given by 'sessions' parameter as
SQL> connect /as sysdba
SQL> show parameters sessions
When, I give :-
select count(1) from v$session
it gives 460.
Can, you please clear the doubts in the scenario put as above.
regards

Supporting maxChars on editable ComboBox, string validator null out input once max is reached

I have a ComboBox in a form set to editable, so it acts like a text input but as drop down values as well.
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I have created a string validator, required is based on seletedLabel so that working as I would expect.
I set a maximum character limit in the validator which does not limit the text but prevents validation if the count is over, so far so good.
Now the issue, imagine you set this to 10 characters maximum, type the 11th character the validator correctly invalidates the control and the standard message pops up and prevent form submission.
But if the user is still typing as soon as you enter one character over the limit in this example the 12th character the input nulls out to empty string.
I want to limit the the number of characters that can be typed or the validator to not null out, giving the user a chance to back space instead of clearing the input.
Any ideas?
TIA
flash.

I am probably missing something with all the scrolling up and down and back and forth, but I can't see how that line can throw an NPE. Or the constructor which it calls.
What is the exact runtime message?

ORA-1631: max # extents reached in table INFILES

Dear friends
kindly give me the answer weather I am correct/wrong?
Solution i have given is
Alter table <tablename>
storage(maxextents unlimited)
Srinivas

Before changing the table to allow an unlimited number of extents I would 1- verify that the table size is in line with its design usage and 2- that the program in question is not doing something stupid. If both of these are OK, and most of the time they will not be the problem, then you might also consider resizing the object since dictionary space management is in use.
HTH -- Mark D Powell --

ORA-01630: max # extents (505) reached in temp segment in tablespace

I have a problem, in creating a index with error ORA-01630: max # extents (505) reached in temp segment in tablespace.
can you any please help me on this , what could be the best steps can be taken to fix the issue.
I increased the TBS size (I have more than 6 Gb free space), verified the max extents and min extents but didn't get clear idea.
SQL> show user
USER is "APPS"
SQL> create index xyz.xygts_mtl_trx_source_idx on mtl_material_transactions(trx_source_line_id);
create index xyz.xygts_mtl_trx_source_idx on mtl_material_transactions(trx_source_line_id)
ERROR at line 1:
ORA-01630: max # extents (505) reached in temp segment in tablespace
XY_DATA
SQL> select BYTES/1024/1024 from dba_segments where SEGMENT_NAME='MTL_MATERIAL_TRANSACTIONS';
BYTES/1024/1024
10510
-- Verified the pctincrease value
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TABLESPACE_NAME INITIAL_EXTENT NEXT_EXTENT MAX_EXTENTS
PCT_INCREASE
XYZ_DATA 40960 40960 505
0
Thanks,
Venkat

Pl see
How to Diagnose and Resolve ORA-1628, ORA-1630, ORA-1631, ORA-1632, ORA-1684 : max # of extents <num> reached in < OBJECT > [ID 1025581.6]
Overview Of ORA-01630 Max # Extents(%) reached in temp segment in tablespace % [ID 260944.1]
HTH
Srini

Setting up Min and Max on Forms

I am trying to set up a swim lesson sign up form and want to set a minimum and maximum number of kids that can sign up for any given class. Is this possible in Adobe Forms?

We do not support a min and max number of response. You would have to close the enrollment form manually once the max is reached. This is a feature you could vote for on our feature request page.

Help! ORA-12500

We have Oracle 7.2 (HP Unix).
Oracle are crashed with the error message ora-12500, when the number of oracle users exceed 140.
Initora parameters are the following:
processes = 400
sessions =300
We also set the kernel (Unix) parameter âmax semaphoresâ to 400 but it doesnât help too.
How can we solve this?
Thanks in advance.
Alex.

I need urgent help.
I have 8.1.7.2.1 on Win2K.
I get ORA-12500 error when trying to connect oracle instance. This problem begin to arise only when number of sessions reach a number about 200. At the same time there is no definite boundary for it. Once it happened when there were 216 session, then 196, then 206.
There rarely (1/100) I get ORA-12514 and after again ORA-12500. Once I got ORA-12600.
What it might be you think? It can't be a problem in listener.ora or in tnsnames.ora because it works fine if number of sessions is about 100. It tried to restart tnslistener (from lsnrctl and the service) and restarted database (but not the service). I did it different in sequences, but didn't help. What should I do? Is it a known bug? bash-2.03$ oerr ora 12500
12500, 00000, "TNS:listener failed to start a dedicated server process"
// *Cause: The process of starting up a dedicated server process failed.
// The executable could not be found or the environment may be set up
// incorrectly.
// *Action: Turn on tracing at the ADMIN level and reexecute the operation.
// Verify that the ORACLE Server executable is present and has execute
// permissions enabled. Ensure that the ORACLE environment is specified
// correctly in LISTENER.ORA. The Oracle Protocol Adapter that is being
// called may not be installed on the local hard drive. Please check that
// the correct Protocol Adapter are successfully linked.
// If error persists, contact Oracle Customer Support.
There is not enough info to go on but the problem seems to be either in the listener.ora
or tnsnames.ora. Did you make any changes before this started occurring?
William

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