Slow context creation

I seem to be having a problem with connection times progressively getting
          slower as machines are added to the cluster.
          For instance, at one machine my login time is ~.5 secs, at two machines
          login time has increased to ~1.5 secs, and at three machines in the cluster
          login time has increased to ~4.5 secs.
          I am running Weblogic 4.5 service pack 7 on Solaris 8. I am currently using
          jdk 1.2.006 reference implementation. This behavior seems to occur with
          native io on and off.
          Thanks
          R.D.

How are you doing your lookup?
          - prasad
          "R.D. Cole" wrote:
          > I seem to be having a problem with connection times progressively getting
          > slower as machines are added to the cluster.
          >
          > For instance, at one machine my login time is ~.5 secs, at two machines
          > login time has increased to ~1.5 secs, and at three machines in the cluster
          > login time has increased to ~4.5 secs.
          >
          > I am running Weblogic 4.5 service pack 7 on Solaris 8. I am currently using
          > jdk 1.2.006 reference implementation. This behavior seems to occur with
          > native io on and off.
          >
          > Thanks
          > R.D.

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Error while running adcfgclone on APPS tier (ERROR: context creation not completed successfully)

I am getting below error while running adcfgclone on APPS tier
ERROR : Unable to set CLASSPATH
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First Creating a new context file for the cloned system.
The program is going to ask you for information about the new system:
ERROR: context creation not completed successfully.
Please check /tmp/adcfgclone_29475.err file for errors
i copied classes111.zip from IAS_HOME to COMMON_TOP . Now I am getting below error
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Please post the details of the application release, database version and OS.
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Slow projector creation

I am creating a projector for a large application (85MB). The
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Xposure Interactive wrote:
> I am creating a projector for a large application
(85MB). The creation of the
> projector is far too slow. This application would
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Context creation not completed successfully. Please check /tmp/adcfg

I am running perl adcfgclone at the databaseTier of R12.0.4 and am getting below error please reply
PROMPT :
Target hostname (virtual or normal) [zishan]
ANSWER :
zishan
PROMPT :
Target system domain name
ANSWER :
TEST1
StackTrace:
java.lang.NullPointerException
at java.util.Hashtable.put(Unknown Source)
at oracle.apps.ad.context.CloneContext.getInputFromUsers(CloneContext.java:888)
at oracle.apps.ad.context.CloneContext.doClone(CloneContext.java:575)
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RC-50004: Error occurred in CloneContext:
null
Context file creation not succesful

Hi,
PROMPT :
Target system domain name
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at java.util.Hashtable.put(Unknown Source)
at oracle.apps.ad.context.CloneContext.getInputFromUsers(CloneContext.java:888)
at oracle.apps.ad.context.CloneContext.doClone(CloneContext.java:575)
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null
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Slow table creation after upgrade from 10.2.0.3 to 11.2.0.1 using DBUA

I've recently completed a database upgrade from 10.2.0.3 to 11.2.0.1 using the DBUA.
I've since encountered a slowdown when running a script which drops and recreates a series of ~250 tables. The script normally runs in around 19 seconds. After the upgrade, the script requires ~2 minutes to run.
By chance has anyone encountered something similar?
The problem may be related to the behavior of an "after CREATE on schema" trigger which grants select privileges to a role through the use of a dbms_job call; between 10g and the database that was upgraded from 10G to 11g. Currently researching this angle.
I will be using the following table creation DDL for this abbreviated test case:
create table ALLIANCE (
   ALLIANCEID           NUMBER(10)                      not null,
   NAME                 VARCHAR2(40)                    not null,
   CREATION_DATE        DATE,
   constraint PK_ALLIANCE primary key (ALLIANCEID)
           using index
       tablespace LIVE_INDEX
tablespace LIVE_DATA;When calling the above DDL, an "after CREATE on schema" trigger is fired which schedules a job to immediately run to grant select privilege to a role for the table which was just created:
create or replace
trigger select_grant
after CREATE on schema
declare
    l_str varchar2(255);
    l_job number;
begin
    if ( ora_dict_obj_type = 'TABLE' ) then
        l_str := 'execute immediate "grant select on ' ||
                                     ora_dict_obj_name ||
                                    ' to select_role";';
        dbms_job.submit( l_job, replace(l_str,'"','''') );
    end if;
end;
{code}
Below I've included data on two separate test runs. The first is on the upgraded database and includes optimizer parameters and an abbreviated TKPROF. I've also, included the offending sys generate SQL which is not issued when the same test is run on a 10g environment that has been set up with a similar test case. The 10g test run's TKPROF is also included below.
The version of the database is 11.2.0.1.
These are the parameters relevant to the optimizer for the test run on the upgraded 11g SID:
{code}
SQL> show parameter optimizer
NAME                                 TYPE        VALUE
optimizer_capture_sql_plan_baselines boolean     FALSE
optimizer_dynamic_sampling           integer     2
optimizer_features_enable            string      11.2.0.1
optimizer_index_caching              integer     0
optimizer_index_cost_adj             integer     100
optimizer_mode                       string      ALL_ROWS
optimizer_secure_view_merging        boolean     TRUE
optimizer_use_invisible_indexes      boolean     FALSE
optimizer_use_pending_statistics     boolean     FALSE
optimizer_use_sql_plan_baselines     boolean     TRUE
SQL> show parameter db_file_multi
NAME                                 TYPE        VALUE
db_file_multiblock_read_count        integer     8
SQL> show parameter db_block_size
NAME                                 TYPE        VALUE
db_block_size                        integer     8192
SQL> show parameter cursor_sharing
NAME                                 TYPE        VALUE
cursor_sharing                       string      EXACT
SQL> column sname format a20
SQL> column pname format a20
SQL> column pval2 format a20
SQL> select sname, pname, pval1, pval2 from sys.aux_stats$;
SNAME                PNAME                     PVAL1 PVAL2
SYSSTATS_INFO        STATUS                          COMPLETED
SYSSTATS_INFO        DSTART                          03-11-2010 16:33
SYSSTATS_INFO        DSTOP                           03-11-2010 17:03
SYSSTATS_INFO        FLAGS                         0
SYSSTATS_MAIN        CPUSPEEDNW           713.978495
SYSSTATS_MAIN        IOSEEKTIM                    10
SYSSTATS_MAIN        IOTFRSPEED                 4096
SYSSTATS_MAIN        SREADTIM               1565.746
SYSSTATS_MAIN        MREADTIM
SYSSTATS_MAIN        CPUSPEED                   2310
SYSSTATS_MAIN        MBRC
SYSSTATS_MAIN        MAXTHR
SYSSTATS_MAIN        SLAVETHR
13 rows selected.
{code}
Output from TKPROF on the 11g SID:
{code}
create table ALLIANCE (
   ALLIANCEID           NUMBER(10)                      not null,
   NAME                 VARCHAR2(40)                    not null,
   CREATION_DATE        DATE,
   constraint PK_ALLIANCE primary key (ALLIANCEID)
           using index
       tablespace LIVE_INDEX
tablespace LIVE_DATA
call     count       cpu    elapsed       disk      query    current        rows
Parse        1      0.00       0.00          0          0          0           0
Execute      1      0.00       0.00          0          0          4           0
Fetch        0      0.00       0.00          0          0          0           0
total        2      0.00       0.00          0          0          4           0
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 324
{code}
... large section omitted ...
Here is the performance hit portion of the TKPROF on the 11g SID:
{code}
SQL ID: fsbqktj5vw6n9
Plan Hash: 1443566277
select next_run_date, obj#, run_job, sch_job
from
(select decode(bitand(a.flags, 16384), 0, a.next_run_date,
a.last_enabled_time) next_run_date,       a.obj# obj#,
decode(bitand(a.flags, 16384), 0, 0, 1) run_job, a.sch_job sch_job from
(select p.obj# obj#, p.flags flags, p.next_run_date next_run_date,
p.job_status job_status, p.class_oid class_oid,      p.last_enabled_time
last_enabled_time, p.instance_id instance_id,      1 sch_job   from
sys.scheduler$_job p   where bitand(p.job_status, 3) = 1    and
((bitand(p.flags, 134217728 + 268435456) = 0) or
(bitand(p.job_status, 1024) <> 0))    and bitand(p.flags, 4096) = 0    and
p.instance_id is NULL    and (p.class_oid is null      or (p.class_oid is
not null      and p.class_oid in (select b.obj# from sys.scheduler$_class b
                           where b.affinity is null)))   UNION ALL   select
q.obj#, q.flags, q.next_run_date, q.job_status, q.class_oid,
q.last_enabled_time, q.instance_id, 1   from sys.scheduler$_lightweight_job
q   where bitand(q.job_status, 3) = 1    and ((bitand(q.flags, 134217728 +
268435456) = 0) or         (bitand(q.job_status, 1024) <> 0))    and
bitand(q.flags, 4096) = 0    and q.instance_id is NULL    and (q.class_oid
is null      or (q.class_oid is not null      and q.class_oid in (select
c.obj# from sys.scheduler$_class c                          where
c.affinity is null)))   UNION ALL   select j.job, 0,
from_tz(cast(j.next_date as timestamp),      to_char(systimestamp,'TZH:TZM')
), 1, NULL,      from_tz(cast(j.next_date as timestamp),
to_char(systimestamp,'TZH:TZM')),     NULL, 0   from sys.job$ j   where
(j.field1 is null or j.field1 = 0)    and j.this_date is null) a   order by
1)   where rownum = 1
call     count       cpu    elapsed       disk      query    current        rows
Parse        1      0.00       0.00          0          0          0           0
Execute      1      0.00       0.00          0          0          0           0
Fetch        1      0.47       0.47          0       9384          0           1
total        3      0.48       0.48          0       9384          0           1
Misses in library cache during parse: 1
Optimizer mode: CHOOSE
Parsing user id: SYS   (recursive depth: 1)
Rows     Row Source Operation
      1 COUNT STOPKEY (cr=9384 pr=0 pw=0 time=0 us)
      1   VIEW (cr=9384 pr=0 pw=0 time=0 us cost=5344 size=6615380 card=194570)
      1    SORT ORDER BY STOPKEY (cr=9384 pr=0 pw=0 time=0 us cost=5344 size=11479630 card=194570)
194790     VIEW (cr=9384 pr=0 pw=0 time=537269 us cost=2563 size=11479630 card=194570)
194790      UNION-ALL (cr=9384 pr=0 pw=0 time=439235 us)
    231       FILTER (cr=68 pr=0 pw=0 time=920 us)
    231        TABLE ACCESS FULL SCHEDULER$_JOB (cr=66 pr=0 pw=0 time=690 us cost=19 size=13157 card=223)
      1        TABLE ACCESS BY INDEX ROWID SCHEDULER$_CLASS (cr=2 pr=0 pw=0 time=0 us cost=1 size=40 card=1)
      1         INDEX UNIQUE SCAN SCHEDULER$_CLASS_PK (cr=1 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 5056)
      0       FILTER (cr=3 pr=0 pw=0 time=0 us)
      0        TABLE ACCESS FULL SCHEDULER$_LIGHTWEIGHT_JOB (cr=3 pr=0 pw=0 time=0 us cost=2 size=95 card=1)
      0        TABLE ACCESS BY INDEX ROWID SCHEDULER$_CLASS (cr=0 pr=0 pw=0 time=0 us cost=1 size=40 card=1)
      0         INDEX UNIQUE SCAN SCHEDULER$_CLASS_PK (cr=0 pr=0 pw=0 time=0 us cost=0 size=0 card=1)(object id 5056)
194559       TABLE ACCESS FULL JOB$ (cr=9313 pr=0 pw=0 time=167294 us cost=2542 size=2529254 card=194558)
{code}
and the totals at the end of the TKPROF on the 11g SID:
{code}
OVERALL TOTALS FOR ALL NON-RECURSIVE STATEMENTS
call     count       cpu    elapsed       disk      query    current        rows
Parse        1      0.00       0.00          0          0          0           0
Execute      2      0.00       0.00          0          0          4           0
Fetch        0      0.00       0.00          0          0          0           0
total        3      0.00       0.00          0          0          4           0
Misses in library cache during parse: 1
Misses in library cache during execute: 1
OVERALL TOTALS FOR ALL RECURSIVE STATEMENTS
call     count       cpu    elapsed       disk      query    current        rows
Parse       70      0.00       0.00          0          0          0           0
Execute     85      0.01       0.01          0         62        208          37
Fetch       49      0.48       0.49          0       9490          0          35
total      204      0.51       0.51          0       9552        208          72
Misses in library cache during parse: 5
Misses in library cache during execute: 3
   35 user SQL statements in session.
   53 internal SQL statements in session.
   88 SQL statements in session.
Trace file: 11gSID_ora_17721.trc
Trace file compatibility: 11.1.0.7
Sort options: default
       1 session in tracefile.
      35 user SQL statements in trace file.
      53 internal SQL statements in trace file.
      88 SQL statements in trace file.
      51 unique SQL statements in trace file.
    1590 lines in trace file.
      18 elapsed seconds in trace file.
{code}
The version of the database is 10.2.0.3.0.
These are the parameters relevant to the optimizer for the test run on the 10g SID:
{code}
SQL> show parameter optimizer
NAME                                 TYPE        VALUE
optimizer_dynamic_sampling           integer     2
optimizer_features_enable            string      10.2.0.3
optimizer_index_caching              integer     0
optimizer_index_cost_adj             integer     100
optimizer_mode                       string      ALL_ROWS
optimizer_secure_view_merging        boolean     TRUE
SQL> show parameter db_file_multi
NAME                                 TYPE        VALUE
db_file_multiblock_read_count        integer     8
SQL> show parameter db_block_size
NAME                                 TYPE        VALUE
db_block_size                        integer     8192
SQL> show parameter cursor_sharing
NAME                                 TYPE        VALUE
cursor_sharing                       string      EXACT
SQL> column sname format a20
SQL> column pname format a20
SQL> column pval2 format a20
SQL> select sname, pname, pval1, pval2 from sys.aux_stats$;
SNAME                PNAME                     PVAL1 PVAL2
SYSSTATS_INFO        STATUS                          COMPLETED
SYSSTATS_INFO        DSTART                          09-24-2007 11:09
SYSSTATS_INFO        DSTOP                           09-24-2007 11:09
SYSSTATS_INFO        FLAGS                         1
SYSSTATS_MAIN        CPUSPEEDNW           2110.16949
SYSSTATS_MAIN        IOSEEKTIM                    10
SYSSTATS_MAIN        IOTFRSPEED                 4096
SYSSTATS_MAIN        SREADTIM
SYSSTATS_MAIN        MREADTIM
SYSSTATS_MAIN        CPUSPEED
SYSSTATS_MAIN        MBRC
SYSSTATS_MAIN        MAXTHR
SYSSTATS_MAIN        SLAVETHR
13 rows selected.
{code}
Now for the TKPROF of a mirrored test environment running on a 10G SID:
{code}
create table ALLIANCE (
   ALLIANCEID           NUMBER(10)                      not null,
   NAME                 VARCHAR2(40)                    not null,
   CREATION_DATE        DATE,
   constraint PK_ALLIANCE primary key (ALLIANCEID)
           using index
       tablespace LIVE_INDEX
tablespace LIVE_DATA
call     count       cpu    elapsed       disk      query    current        rows
Parse        1      0.00       0.00          0          0          0           0
Execute      1      0.00       0.01          0          2         16           0
Fetch        0      0.00       0.00          0          0          0           0
total        2      0.01       0.01          0          2         16           0
Misses in library cache during parse: 1
Optimizer mode: ALL_ROWS
Parsing user id: 113
{code}
... large section omitted ...
Totals for the TKPROF on the 10g SID:
{code}
OVERALL TOTALS FOR ALL NON-RECURSIVE STATEMENTS
call     count       cpu    elapsed       disk      query    current        rows
Parse        1      0.00       0.02          0          0          0           0
Execute      1      0.00       0.00          0          2         16           0
Fetch        0      0.00       0.00          0          0          0           0
total        2      0.00       0.02          0          2         16           0
Misses in library cache during parse: 1
OVERALL TOTALS FOR ALL RECURSIVE STATEMENTS
call     count       cpu    elapsed       disk      query    current        rows
Parse       65      0.01       0.01          0          1         32           0
Execute     84      0.04       0.09         20         90        272          35
Fetch       88      0.00       0.10         30        281          0          64
total      237      0.07       0.21         50        372        304          99
Misses in library cache during parse: 38
Misses in library cache during execute: 32
   10 user SQL statements in session.
   76 internal SQL statements in session.
   86 SQL statements in session.
Trace file: 10gSID_ora_32003.trc
Trace file compatibility: 10.01.00
Sort options: default
       1 session in tracefile.
      10 user SQL statements in trace file.
      76 internal SQL statements in trace file.
      86 SQL statements in trace file.
      43 unique SQL statements in trace file.
     949 lines in trace file.
       0 elapsed seconds in trace file.
{code}
Edited by: user8598842 on Mar 11, 2010 5:08 PM

So while this certainly isn't the most elegant of solutions, and most assuredly isn't in the realm of supported by Oracle...
I've used the DBMS_IJOB.DROP_USER_JOBS('username'); package to remove the 194558 orphaned job entries from the job$ table. Don't ask, I've no clue how they all got there; but I've prepared some evil looks to unleash upon certain developers tomorrow morning.
Not being able to reorganize the JOB$ table to free the now wasted ~67MB of space I've opted to create a new index on the JOB$ table to sidestep the full table scan.
CREATE INDEX SYS.JOB_F1_THIS_NEXT ON SYS.JOB$ (FIELD1, THIS_DATE, NEXT_DATE) TABLESPACE SYSTEM;The next option would be to try to find a way to grant the select privilege to the role without using the aforementioned "after CREATE on schema" trigger and dbms_job call. This method was adopted to cover situations in which a developer manually added a table directly to the database rather than using the provided scripts to recreate their test environment.
I assume that the following quote from the 11gR2 documentation is mistaken, and there is no such beast as "create or replace table" in 11g:
http://download.oracle.com/docs/cd/E11882_01/server.112/e10592/statements_9003.htm#i2061306
"Dropping a table invalidates dependent objects and removes object privileges on the table. If you want to re-create the table, then you must regrant object privileges on the table, re-create the indexes, integrity constraints, and triggers for the table, and respecify its storage parameters. Truncating and replacing have none of these effects. Therefore, removing rows with the TRUNCATE statement or replacing the table with a *CREATE OR REPLACE TABLE* statement can be more efficient than dropping and re-creating a table."

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Can some one tell me why this piece of code failed on iPlanet Directory Server5.1 where as it works fine on IBM Secureway?
Hashtable env = new Hashtable(11);
env.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, "ldap://"+args[0]+":389");
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, args[1]);
env.put(Context.SECURITY_CREDENTIALS, args[2]);
DirContext ctx = new InitialDirContext(env);
Attributes attrs = new BasicAttributes(true);
Attribute objclass = new BasicAttribute("objectclass");
objclass.add("top");
objclass.add("domain");
attrs.put(objclass);
// This line failed with the exception below
Context result = ctx.createSubcontext("dc=mydomain", attrs);
The exception is:
javax.naming.NameNotFoundException: [LDAP: error code 32 - No Suc
h Object]; remaining name 'dc=mydomain'

Thanks for the reply.
We need to have dc=mydomain.com created under top level for this to work.
But what actuallyu I am doing here is that I am trying to create this subcontext under top level.

Problem with Multiple Context Creation

Hi,
We are facing a java.lang.SecurityException Invalid Subject
We need to create multiple Initial Contexts for a single thread.
Following is the Scenario
1) The user will access Servlet/Struts Action class which performs database call and EJB(one, two) calls with different Initial Contexts ( Credentials are different)
2) At the same time the Timer Task runs in back ground which is invoked from servlet load-on-startup and runs for every 1 min.
3) The Timer Task invoke an MDB this MBD will make an external EJB (three) call for business logic.
{color:#ff0000}Please Suggest me the Sequence of step I am expecting are correct or not{color}
1) The Timer Task will run in the same JVM where the Servlet/Action classes are loaded (WEB-CONTAINER)
2) The Thread created for Servlet/Action class will not be shared by Timer Task.
3) The Thread created for Timer Task and the MDB are different.
4) So the Servlet - Thread, Timer Task Thread and MDB Thread are different.
The Behavior of the Context is as follows according to Bea Document.
[http://e-docs.bea.com/wls/docs81/jndi/jndi.html#476864]
JNDI Contexts and Threads
How to Avoid Potential JNDI Context Problems (Please Refer this Paragraph)
I am closing the entire Context's immediately after lookup
Still we are facing this java.lang.SecurityException Invalid Subject Exception Problem
The Context of EJB which we are calling from MDB is sharing the Servlet/Action Class Context -- Credentials
Example_
{color:#ff0000}Servlet/Action Class Context Credentials -- are user1/pass1{color}
{color:#ff0000}EJB (three) Context Credentials -- are user3/pass3{color}
When EJB (Three) lookup is invoked it’s throwing the following Exception
*java.lang.SecurityException: [Security: 090398] Invalid Subject: user1*
Please advise to solve this problem
Thank You.

Solved By myself
There is problem while passing data to internal table for item level

IMPORTANT: FM11 & slow PDF creation - Adobe wants examples

Note from Kapil Verma, FM's senior product manager:
Hello Framers,
Hope you are well. I noticed that some users have reported their observations with slow performance when publishing to PDF with FrameMaker 11 as compared to the previous version of FrameMaker. I wanted to let you know that we have not found such issues when doing internal testing and our customers also did not report this during the beta program.
However, we wanted to work with you to iron out any potential issues there may be. So, if you are seeing a performance slowdown on your side, we would like to test some more with your files and investigate the issue you may be facing. It will be great if you can send your sample files (along with any details on steps, your environment etc. which will help reproduce the issue) to [email protected] and cc me ([email protected]). Thanks for your cooperation and we look forward to working with you to resolve any issues there may be.
Thanks,
Kapil Verma
Sr. Product Manager - FrameMaker | FrameMaker Publishing Server

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Per-core CPU clocks hit the wall 10 years ago. Per core perf has been creeping up since then, with most of the per-chip gain in the form of more cores. Application coders, however, seem to be assuming that per-core performance is still ramping up at 2x@2yr as a side effect of Moore's Conjecture.

Slow socket creation at runtime

Im writing a program to send a form via http secure socket to a web sever. My code works, but the problem is, once it executes, it take about 40 seconds for the 1st line of code to complete. Is there anything I can do to speed this up?
Im running j2sdk1.4.0-beta3 (windows98 on PIII 450, 300megs ram, 56k)
public static boolean login() {
try
SSLSocketFactory sslsocketfactory = (SSLSocketFactory)SSLSocketFactory.getDefault();
System.out.println("1");
SSLSocket sslsocket = (SSLSocket)sslsocketfactory.createSocket("blah.blah.com", 443);
System.out.println("sockets created");

Problem solved.. if anyone cares, this was my final code
java.security.SecureRandom x = new java.security.SecureRandom();
x.setSeed(1);
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null,null, x);
SSLSocketFactory sf1 = sc.getSocketFactory();
SSLSocket sslsocket = (SSLSocket)sf1.createSocket("blah.blah.com", 443);
i had a unique situation, i was forced to connect to a secure socket to exchange non secretive info, so security was the least of my worries and speed was most important. Using this, it creates a socket as fast as regular non SSL socket, but it basically lets u connect to a SSL socket with no/very little security. It cut a good 40 sec off the socket creation time.
thanks for yalls help

Slow computer = creation of slow VM?

I have two virtual machines. Both are
Windows Server 2012 R2 64 bit.
Have the same device settings ( 2GB RAM 1 processor 1 core)
Created using the same iso
I use the first vm for work in college/class and the 2nd one for practice that I made at home. Both machines run at different speeds with the first one being next to flawless(even when run from my home laptop) while the 2nd one being horribly slow. I created my class VM using the college computer which I'd say is definitely more powerful than my laptop at home, and my practice vm was created with my home laptop (i7 dual core 4gb ram). Are VMs significantly different from each other in terms of speed depending on the computer that was used to create them? Should I just clone my class vm which works almost perfectly instead of creating a new VM? I hope to be able to work soon on my server administration work for class.
This is my first post and I'd appreciate any replies.

I have two virtual machines. Both are
Windows Server 2012 R2 64 bit.
Have the same device settings ( 2GB RAM 1 processor 1 core)
Created using the same iso
I use the first vm for work in college/class and the 2nd one for practice that I made at home. Both machines run at different speeds with the first one being next to flawless(even when run from my home laptop) while the 2nd one being horribly slow. I created my class VM using the college computer which I'd say is definitely more powerful than my laptop at home, and my practice vm was created with my home laptop (i7 dual core 4gb ram). Are VMs significantly different from each other in terms of speed depending on the computer that was used to create them? Should I just clone my class vm which works almost perfectly instead of creating a new VM? I hope to be able to work soon on my server administration work for class.
This is my first post and I'd appreciate any replies.

Portal Installed - Slow iView creation etc

Hi,
We have just completed the installation of the production EP 7 (2004s) on a new blade server.
Config
4 Swap Drives of 5GB each
OS - 2003 Server standard edition SP1 on C Drive (12GB)
EP instance installed on a separate netapps drive (40GB)
*4GB RAM
In creating a simple new iView it takes 3-4 minutes.
What could be the reason? Is there a mechanism to improve performance?
In our previous portal implementation (EP 6) the iView creation etc is very fast. (with a hardware configuration inferior to the one specified above)
Any advice would be highly appreciated,
Thanks and Regards,
Antony.

Hi,
Nope actually, we are still encountering this problem. But there is a workaround. Say you have created an iview, you can copy such iview and change the relevant parameters later including the ID, name and all other particulars in order to create new iviews rather than creating new iviews altogether through the wizard.
The copying activity takes just a couple of seconds.
Hope this helps..
Antony.
P.S. : Reward points would be appreciated.

Context creation fails

Hi
I am writing following code to connect to a MQ.
import javax.jms.QueueConnectionFactory;
import javax.naming.Context;
import javax.naming.InitialContext;
class qConnect{
     public static void main(String[] args){
          try{
               Context ctx = new InitialContext();
               QueueConnectionFactory queueConnectionFactory =
               (QueueConnectionFactory) ctx.lookup("QueueConnectionFactory");
          }catch(Exception e){
               e.printStackTrace();
while creating context instace it is giving me following error.
javax.naming.CommunicationException: Can't find SerialContextProvider
at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:60)
at com.sun.enterprise.naming.SerialContext.<init>(SerialContext.java:79)
at com.sun.enterprise.naming.SerialInitContextFactory.getInitialContext(SerialInitContextFactory.java:54)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:668)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:246)
at javax.naming.InitialContext.init(InitialContext.java:222)
at javax.naming.InitialContext.<init>(InitialContext.java:178)
at qConnect.main(qConnect.java:11)
what is a solution ??
Thanks in advance.
Tushar.

u have to specify the provider url which contains the location of the provider and also the type of the provider such as file,ldap or ..
there in the jmsadmin.config file

Virtual context creation on Oracle Application Server

How do we set up a context in Oracle Application Server? and how to map servlets and jsp to this context?

Hi,
I am not sure about your exact needs, but it is the responsibility of the developer to provide a Deployment Descriptor ( an XML File that contains the required mappings - E.g. Web.xml ). You can specify the Context in the Deployment Descriptor & allow the Application Server to pick up the Context.
You can package your Servlets & JSP in an EAR File ( by specify the required parameters in the Deployment Descriptor ), deploy it to the app server & check it out. You will be able to access your Servlets and the JSP.
Can you also tell us your exact requirements ?
Regards,
Sandeep

Slow context creation

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