Nullpointer in Application Connection Manager

Hi All,
when deploying an application I get the following exception. Has anybody else seen this? I'm somewhat lost at this point since other applications (e.g. ascontrol) deploy correctly. This occurs from a highly customized build and deployment environment which I'm trying to switch from OC4J 9.0.4 to 10.1.3.
Thanks for any help
Tobias
14.07.2006 10:13:12 oracle.oc4j.admin.internal.Notifier sendNotification
INFO: Von EJB generierter Code wird kompiliert
14.07.2006 10:13:15 oracle.j2ee.jndi.JndiMessages warningInvalidResourceReferenc
e
WARNUNG: Resource reference jdbc/STORAGE not found. Allowing J2EEContext creati
on to continue anyway.
14.07.2006 10:13:15 com.evermind.server.ejb.logging.EJBMessages logException
SCHWERWIEGEND: [sfs] An error occured deploying EJB module: java.lang.NullPointe
rException
java.lang.NullPointerException
at com.evermind.server.connector.ApplicationConnectionManager.getOracleC
onnectionManager(ApplicationConnectionManager.java:304)
at com.evermind.server.administration.ApplicationResourceFinder.getJCACo
nnectionResource(ApplicationResourceFinder.java:455)
at com.oracle.naming.J2EEContext.addResourceEntries(J2EEContext.java:743
at com.oracle.naming.J2EEContext.create(J2EEContext.java:81)
at com.evermind.server.ejb.EJBPackageDeployment.getHomeInstanceCore(EJBP
ackageDeployment.java:1153)
at com.evermind.server.ejb.EJBPackageDeployment.getHomeInstance(EJBPacka
geDeployment.java:1189)
at com.evermind.server.ejb.EJBPackageDeployment.bindRemoteHome(EJBPackag
eDeployment.java:533)
at com.evermind.server.ejb.EJBPackageDeployment.bindHomes(EJBPackageDepl
oyment.java:442)
at com.evermind.server.ejb.EJBContainer.postInit(EJBContainer.java:1010)
at com.evermind.server.ApplicationStateRunning.initializeApplication(App
licationStateRunning.java:210)
at com.evermind.server.Application.setConfig(Application.java:391)
at com.evermind.server.Application.setConfig(Application.java:308)
at com.evermind.server.ApplicationServer.addApplication(ApplicationServe
r.java:1771)
at oracle.oc4j.admin.internal.ApplicationDeployer.addApplication(Applica
tionDeployer.java:507)
at oracle.oc4j.admin.internal.ApplicationDeployer.doDeploy(ApplicationDe
ployer.java:191)
at oracle.oc4j.admin.internal.DeployerBase.execute(DeployerBase.java:93)
at com.evermind.server.ApplicationServerTask.deploySingleFile(Applicatio
nServerTask.java:133)
at com.evermind.server.ApplicationServerTask.performAutoDeployCheck(Appl
icationServerTask.java:97)
at com.evermind.server.ApplicationServerTask.run(ApplicationServerTask.j
ava:71)
at com.evermind.util.Task.schedule(Task.java:51)
at com.evermind.util.TaskManager.run(TaskManager.java:212)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExec
utor.java:814)
at java.lang.Thread.run(Thread.java:534)
14.07.2006 10:13:15 oracle.oc4j.admin.internal.Notifier sendNotification
INFO: Anwendung sfs hat nicht erfolgreichen Status
06/07/14 10:13:15 WARNUNG: Application.setConfig Application: sfs is in failed s
tate as initialization failedjava.lang.InstantiationException: Error initializin
g ejb-modules: null
14.07.2006 10:13:15 com.evermind.server.Application setConfig
WARNUNG: Application: sfs is in failed state as initialization failedjava.lang.I
nstantiationException: Error initializing ejb-modules: null
06/07/14 10:13:15 at oracle.oc4j.admin.internal.ApplicationDeployer.addApp
lication(ApplicationDeployer.java:510)
06/07/14 10:13:15 at oracle.oc4j.admin.internal.ApplicationDeployer.doDepl
oy(ApplicationDeployer.java:191)
06/07/14 10:13:15 at oracle.oc4j.admin.internal.DeployerBase.execute(Deplo
yerBase.java:93)
06/07/14 10:13:15 at com.evermind.server.ApplicationServerTask.deploySingl
eFile(ApplicationServerTask.java:133)
06/07/14 10:13:15 at com.evermind.server.ApplicationServerTask.performAuto
DeployCheck(ApplicationServerTask.java:97)
06/07/14 10:13:15 at com.evermind.server.ApplicationServerTask.run(Applica
tionServerTask.java:71)
06/07/14 10:13:15 at com.evermind.util.Task.schedule(Task.java:51)
06/07/14 10:13:15 at com.evermind.util.TaskManager.run(TaskManager.java:21
2)
06/07/14 10:13:15 at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worke
r.run(PooledExecutor.java:814)
06/07/14 10:13:15 at java.lang.Thread.run(Thread.java:534)
06/07/14 10:13:15 Caused by: java.lang.InstantiationException: Error initializin
g ejb-modules: null
06/07/14 10:13:15 at com.evermind.server.ejb.EJBContainer.postInit(EJBCont
ainer.java:1056)
06/07/14 10:13:15 at com.evermind.server.ApplicationStateRunning.initializ
eApplication(ApplicationStateRunning.java:210)
06/07/14 10:13:15 at com.evermind.server.Application.setConfig(Application
.java:391)
06/07/14 10:13:15 at com.evermind.server.Application.setConfig(Application
.java:308)
06/07/14 10:13:15 at com.evermind.server.ApplicationServer.addApplication(
ApplicationServer.java:1771)
06/07/14 10:13:15 at oracle.oc4j.admin.internal.ApplicationDeployer.addApp
lication(ApplicationDeployer.java:507)
06/07/14 10:13:15 ... 9 more
06/07/14 10:13:15 Caused by: java.lang.NullPointerException
06/07/14 10:13:15 at com.evermind.server.connector.ApplicationConnectionMa
nager.getOracleConnectionManager(ApplicationConnectionManager.java:304)
06/07/14 10:13:15 at com.evermind.server.administration.ApplicationResourc
eFinder.getJCAConnectionResource(ApplicationResourceFinder.java:455)
06/07/14 10:13:15 at com.oracle.naming.J2EEContext.addResourceEntries(J2EE
Context.java:743)
06/07/14 10:13:15 at com.oracle.naming.J2EEContext.create(J2EEContext.java
:81)
06/07/14 10:13:15 at com.evermind.server.ejb.EJBPackageDeployment.getHomeI
nstanceCore(EJBPackageDeployment.java:1153)
06/07/14 10:13:15 at com.evermind.server.ejb.EJBPackageDeployment.getHomeI
nstance(EJBPackageDeployment.java:1189)
06/07/14 10:13:15 at com.evermind.server.ejb.EJBPackageDeployment.bindRemo
teHome(EJBPackageDeployment.java:533)
06/07/14 10:13:15 at com.evermind.server.ejb.EJBPackageDeployment.bindHome
s(EJBPackageDeployment.java:442)
06/07/14 10:13:15 at com.evermind.server.ejb.EJBContainer.postInit(EJBCont
ainer.java:1010)
06/07/14 10:13:15 ... 14 more
14.07.2006 10:13:15 oracle.oc4j.admin.internal.Notifier sendNotification
INFO: Application Deployer für sfs FAILED.

Hi,
I've converted the datasource from the fromat used by OC4j 9.0.4 with the converter tool in admin.jar. Now it looks like this.
<?xml version="1.0" encoding="ISO-8859-1"?>
<data-sources
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="http://xmlns.oracle.com/oracleas/schema/data-sources-10_1.xsd"
schema-major-version="10"
schema-minor-version="1"
>
<managed-data-source user="z155" password="pw" login-timeout="-1"
connection-pool-name="pooljdbc/ds/STORAGE_DB_O"
jndi-name="jdbc/STORAGE" name="jdbc/STORAGE"/>
<managed-data-source user="z155" password="pw" login-timeout="-1"
connection-pool-name="pooljdbc/ds/STORAGE_DB_O"
jndi-name="jdbc/ds/STORAGE_non_tx" name="jdbc/ds/STORAGE_non_tx"/>
<managed-data-source user="z155" password="pw" login-timeout="-1"
connection-pool-name="pooljdbc/ds/STORAGE_DB_O"
jndi-name="jdbc/ds/STORAGE" name="jdbc/ds/STORAGE"/>
<connection-pool name="pooljdbc/ds/STORAGE_DB_O" connection-retry-interval="0" inactivity-timeout="120" max-connections="2147483647" num-cached-statements="600">
<connection-factory factory-class="oracle.jdbc.pool.OracleDataSource"
user="z155" password="pw" url="jdbc:oracle:thin:@dev10.bonn.fiscus.de:1521:dev10" login-timeout="-1"/>
</connection-pool>
</data-sources>
I can check the connection/URL with ascontrol, so the database seems to be ok.
Thanks
Tobias

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10g Application server and infrastructure machine OS: Windows 2003
9i Database Server: Windows 2003
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JDBC driver type : THIN
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(session_timeout=0)
# Outbound connect timeout in seconds
# Valid values: Any positive number
(outbound_connect_timeout=0)
# Maximum number of gateways that can be started
# Valid values: Any positive number (Practically limited by
# system resources)
(max_gateway_processes=16)
# Minimum number of gateways that must be present at any time
# Valid values: Any positive number (Practically limited by
# system resources)
# max_gateway_processes > min_gateway_processes
(min_gateway_processes=2)
# Remote administration allowed?
# Valid Values: Boolean values for on/off
(remote_admin=on)
# Trace files would be created in the directory specified here
(trace_directory=D:\GAV\OracleAS10\NETWORK\trace)
# Trace done at this level
# Valid values: OFF | USER | ADMIN | SUPPORT
(trace_level=ADMIN)
# Is timestamp needed with tracing?
# Valid values: Boolean values for on/off
(trace_timestamp=on)
# Length of the trace file in kB
# Valid values: Any positive number (Limited practically)
(trace_filelen=1000)
# No. of trace files to be created when using cyclic tracing
# Valid values: Any positive number
(trace_fileno=1)
# Maximum number of CMCTL sessions that can exist simultaneously
# Valid values: Any positive number
(max_cmctl_sessions=4)
# Event logging: event groups that need to be logged
(event_group=init_and_term,memory_ops)
# Rule list
# Rule Specification:
# src = Source of connection; '*' for 'ANY'
# dst = Destination of connection; '*' for 'ANY'
# srv = Service of connection; '*' for 'ANY'
# act = Action: 'accept', 'reject' or 'drop'
# Action List Specification:
# aut = aso_authentication_filter
# moct = outbound_connect_timeout
# mct = session_timeout
# mit = idle_timeout
# conn_stats = connect_statistics
(rule_list=
(rule=
(src=*)(dst=databaseIP)(srv=*)(act=accept)
(action_list=(aut=off)(moct=0)(mct=0)(mit=0)(conn_stats=on))
(rule=
(src=appserverIP)(dst=127.0.0.1)(srv=cmon)(act=accept)
Please help
Thanks
Atul Jain
[email protected]

Forgot to mention that
cmanOracleAS.log file i.e connection manger log file is as follows.
It says does not currently know of service 'cmon' but i have the rule which
allows cmctl to conect locally with 127.0.0.1 .
TNSLSNR for 32-bit Windows: Version 10.1.0.3.0 - Production on 17-MAR-2005
12:17:53
Copyright (c) 1991, 2004, Oracle. All rights reserved.
System parameter file is D:\GAV\oracle_infra\network\admin\sqlnet.ora
Command-line specified parameter file is D:\GAV\oracle_infra\network\admin\
cman.ora
Log messages written to D:\GAV\OracleAS10\NETWORK\log\cmanoracleas1_924.log
Trace information written to D:\GAV\OracleAS10\NETWORK\trace\
cmanoracleas1_924.trc
Trace level is currently 6
Started with pid=332
Running in PROXY mode
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.10.1.101)
(PORT=1610)))
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
17-MAR-2005 12:22:07 * (connect_data=(service_name=cmon)(pid=ctl)) *
(ADDRESS=(PROTOCOL=tcp)(HOST=10.10.1.101)(PORT=4589)) * establish * cmon *
12514
TNS-12514: TNS:listener does not currently know of service requested in
connect descriptor
17-MAR-2005 12:22:10 * (connect_data=(service_name=cmon)(pid=ctl)) *
(ADDRESS=(PROTOCOL=tcp)(HOST=10.10.1.101)(PORT=4596)) * establish * cmon *
12514
TNS-12514: TNS:listener does not currently know of service requested in
connect descriptor
17-MAR-2005 12:23:31 * (connect_data=(service_name=cmon)(pid=ctl)) *
(ADDRESS=(PROTOCOL=tcp)(HOST=10.10.1.101)(PORT=4782)) * establish * cmon *
12514
Thanks
Atul jain

Cannot Drag and Drop a Field from Connection manager to a worksheet.

Hi
I've recently installed the latest version of SQLDEVELOPER (1.5.3) onto winxp.
I used to be able (previous version) to drag fields from the connection manager and drop onto a worksheet to save typing the field name when writing sql.
This new version currently does not allow me to do this (it lets me drag, but not drop).
I am able to drag a table object - and when I drop onto worksheet it creates a select statement with all fields.
Is this by design, or is there a setting in preferences that I'm missing, or could there be something wrong with my installation ?
Another not so good feature on this new version:
When you Right-Click a package object on the connection manager and select "Run" : a window appears with automatically generated plsql block to run the package - great. However I used to be able to copy this plsql and paste it into anything I wanted (e.g. note-pad, or another application etc), but now I am unable to use the generated code unless I use the "Save File.." button. (Copy/paste etc is not available from either "right click", Edit menu or CTRL C).
Again is this by design (I certainly used to be able to do it) or is it a problem specific to my installation.
Any pointers much appreciated.
jacr

Jacr,
We introduced the choice of drag and drop options in 1.5.0. Under preferences Database -> Worksheet Parameters, you can switch between the dragging on join clauses or individual statements including insert, update or delete. With this change and with the increase in code insight, we removed the ability to drag individual columns onto the worksheet. Have you tried the code insight feature in 1.5.3?
I am able to use the copy and paste from the anonymous block to the worksheet works in 1.5.3. Are your copy and paste keys working else where? Perhaps resetting these keys to default in the preferences might help.
Sue

Certificates in lieu of Oracle connection Manager for our Applets -- Help!!

I support an application named IDEA out of New York. The IDEA application is an INTRANET application for use within our company Firewall.
Currently, the IDEA application's front end resides on a Windows 2000 Server running IIS 5 and JRun 3.0. The back-end runs on Oracle 8.1.7 database on a UNIX Database Hosting Utility (DHU). Our applets communicate with the back-end database using Oracle Connection Manager that is installed on the Web Host.
We are trying to migrate to the DWeb environment (Linux cluster). The linux cluster is running Apache Tomcat. We have been told that installing Oracle connection manager is not a viable solution (our company does not support it). Because of this our applets cannot communicate with our database. Below is a brief description of this limitation and also the work-around.
====================================================================================================================================================
Connecting to the Database through the Applet
The most common task of an applet using the JDBC driver is to connect to and query a database. Because of applet security restrictions, unless particular steps are taken an applet can open TCP/IP sockets only to the host from which it was downloaded (this is the host on which the Web server is running). This means that without these steps, your applet can connect only to a database that is running on the same host as the Web server.
If your database and Web server are running on the same host, then there is no issue and no special steps are required. You can connect to the database as you would from an application.
As with connecting from an application, there are two ways in which you can specify the connection information to the driver. You can provide it in the form of host:port:sid or in the form of a TNS keyword-value syntax.
For example, if the database to which you want to connect resides on host prodHost, at port 1521, and SID ORCL, and you want to connect with user name scott with password tiger, then use either of the two following connect strings:
using host:port:sid syntax:
String connString="jdbc:oracle:thin:@prodHost:1521:ORCL";
conn = DriverManager.getConnection(connString, "scott", "tiger");
using TNS keyword-value syntax:
String connString = "jdbc:oracle:thin:@(description=(address_list=
(address=(protocol=tcp)(port=1521)(host=prodHost)))
(connect_data=(sid=ORCL)))";
conn = DriverManager.getConnection(connString, "scott", "tiger");
If you use the TNS keyword-value pair to specify the connection information to the JDBC Thin driver, then you must declare the protocol as TCP.
However, a Web server and an Oracle database server both require many resources; you seldom find both servers running on the same machine. Usually, your applet connects to a database on a host other than the one on which the Web server runs. There are two possible ways in which you can work around the security restriction:
You can connect to the database by using the Oracle8 Connection Manager.
or:
You can use a signed applet to connect to the database directly.
These options are discussed in the next section, "Connecting to a Database on a Different Host Than the Web Server".
Connecting to a Database on a Different Host Than the Web Server
If you are connecting to a database on a host other than the one on which the Web server is running, then you must overcome applet security restrictions. You can do this by using either the Oracle8 Connection Manager or signed applets. ====================================================================================================================================================
It was suggested that we implement signed applets (it is our only alternative at this time). This is where, hopefully, you can help me. We are unfamiliar with using certificates and signing applets. We need to obtain certificates that will allow our applets to connect to our oracle database on the DHU. What kind of certificates do we use? Are their coding examples of how to use these certificates? We have a CA within our company but they cannot tell us what kind of certificates we need. How many certificates do we need? Do we install any certificates on the backend database server? Any information would be greatly appreciated. We are basically trying to get our applet to work outside the sandbox by establishing a connection to the database server.Thanks in advance for your time.

or:
You can use a signed applet to connect to the database directly.
These options are discussed in the next section, "Connecting to a Database on a Different Host Than the Web Server".
If you want to connect to the database from the applet there is a third option.
Since this is an intranet application you have control over the desktops using this
application. In our company the jre ignores signed applets (as it should) because
it gives control to the user to run potentially harmfull applets from the Internet.
The way to dish out special privileges to applets is the policy, put a policy file on
you intranet and have the jre use it by specifying its URL in the java.security.
Here is some more info about security configuration of the jre:
http://forum.java.sun.com/thread.jspa?threadID=646161&tstart=45
reply 3
We use Oracle jinitiator to run Oracle forms but I am not involved in that project
and do not know a lot about it. It does perform quite good though.

Certificates in lieu of Oracle connection Manager for our Applets

I support an application named IDEA out of New York. The IDEA application is an INTRANET application for use within our company Firewall.
Currently, the IDEA application's front end resides on a Windows 2000 Server running IIS 5 and JRun 3.0. The back-end runs on Oracle 8.1.7 database on a UNIX Database Hosting Utility (DHU). Our applets communicate with the back-end database using Oracle Connection Manager that is installed on the Web Host.
We are trying to migrate to the DWeb environment (Linux cluster). The linux cluster is running Apache Tomcat. We have been told that installing Oracle connection manager is not a viable solution (our company does not support it). Because of this our applets cannot communicate with our database. Below is a brief description of this limitation and also the work-around.
====================================================================================================================================================
[i][i][i]Connecting to the Database through the Applet
The most common task of an applet using the JDBC driver is to connect to and query a database. Because of applet security restrictions, unless particular steps are taken an applet can open TCP/IP sockets only to the host from which it was downloaded (this is the host on which the Web server is running). This means that without these steps, your applet can connect only to a database that is running on the same host as the Web server.
If your database and Web server are running on the same host, then there is no issue and no special steps are required. You can connect to the database as you would from an application.
As with connecting from an application, there are two ways in which you can specify the connection information to the driver. You can provide it in the form of host:port:sid or in the form of a TNS keyword-value syntax.
For example, if the database to which you want to connect resides on host prodHost, at port 1521, and SID ORCL, and you want to connect with user name scott with password tiger, then use either of the two following connect strings:
using host:port:sid syntax:
String connString="jdbc:oracle:thin:@prodHost:1521:ORCL";
conn = DriverManager.getConnection(connString, "scott", "tiger");
using TNS keyword-value syntax:
String connString = "jdbc:oracle:thin:@(description=(address_list=
(address=(protocol=tcp)(port=1521)(host=prodHost)))
(connect_data=(sid=ORCL)))";
conn = DriverManager.getConnection(connString, "scott", "tiger");
If you use the TNS keyword-value pair to specify the connection information to the JDBC Thin driver, then you must declare the protocol as TCP.
However, a Web server and an Oracle database server both require many resources; you seldom find both servers running on the same machine. Usually, your applet connects to a database on a host other than the one on which the Web server runs. There are two possible ways in which you can work around the security restriction:
You can connect to the database by using the Oracle8 Connection Manager.
or:
You can use a signed applet to connect to the database directly.
These options are discussed in the next section, "Connecting to a Database on a Different Host Than the Web Server".
Connecting to a Database on a Different Host Than the Web Server
If you are connecting to a database on a host other than the one on which the Web server is running, then you must overcome applet security restrictions. You can do this by using either the Oracle8 Connection Manager or signed applets. ====================================================================================================================================================
It was suggested that we implement signed applets (it is our only alternative at this time). This is where, hopefully, you can help me. We are unfamiliar with using certificates and signing applets. We need to obtain certificates that will allow our applets to connect to our oracle database on the DHU. What kind of certificates do we use? Are their coding examples of how to use these certificates? We have a CA within our company but they cannot tell us what kind of certificates we need. How many certificates do we need? Do we install any certificates on the backend database server? Any information would be greatly appreciated. We are basically trying to get our applet to work outside the sandbox by establishing a connection to the database server.
Thanks in advance for your time.

Eston,
Have you searched SUN's java Web site? Maybe this article will help:
http://java.sun.com/developer/technicalArticles/Security/Signed/index.html
Good Luck,
Avi.

9i Connection Manager Resource Leak?

I am experiencing serious performance problems with the Connection Manager gateway (CMGW.exe) that ships with Oracle9i for Windows NT/2K.
There appears to be a memory leak after the first connection to the Connection Manager is made. I've come across mention of a similar problem with CMGW on Solaris. Is there a fix for this problem?
Background: my students are building Java applets to connect to Oracle9i via Oracle9i application server. The applets are hosted on the application server, so I was planning on using Connection Manager to hit the database from the application server. It works fine the first time, but due to the memory leak the application server slows to a crawl whenever another connection is attempted.
Thanks,
Ray Moro
Eastern Washington University

Use the same as you were using in 8i. Just upgrade your client (if required).

JDBC-Connection in SQL-Developer via Connection-Manager gives ORA-12529

Hi !
This is a followup of this Thread: https://community.oracle.com/thread/3568462
I have the same problem but I have ConnectionManager 11g (11.2.0.1.0) , which doesn't know the setting for AUTHENTICATION_LEVEL=0
And I have to use JDBC, so the OCI/Thick-driver is no option for me.
The same error is raised when I use JDBC with Eclipse,...
SQL-Plus over the Connection-Manager works without any problems.
The ruleset of my cman.ora is:
(rule_list=
    (rule=
       (src=*)(dst=*)(srv=*)(act=accept)
       (action_list=(aut=off)(moct=0)(mct=0)(mit=0)(conn_stats=on))
The error is:
Listener refused the connection with the following error:
ORA-12529, TNS:connect request rejected based on current filtering rules
Anyone got jdbc-connections over ConnectionManager 11g+ running?
Charly

Using Windows XP/Vista...
After testing in our environment, it appears that SQL Developer 1.5.1 (5440) does in fact ignore the TNS_ADMIN environment variable and ONLY looks in the Oracle Home directory (network/admin). We define a central network location for our tnsnames file and have the tns_admin setup to point there instead of locally for our users.
When selecting to add a new connection (in 1.5.1, it works in previously releases... meaning 1.2.something) and selecting TNS, the drop-down remains empty. However, if I exit SQL Developer and then copy the tnsnames file to the local network/admin directory I can then re-launch SQL Developer and the drop-down is populated. Exiting SQL Developer again, deleting the local copy of tnsnames, and then launching SQL Developer yet again results in the drop-down being empty.
All other Oracle-related applications function as expected (as they have for years) using the TNS_ADMIN environment variable.
Any suggestions/ideas?

Nullpointer in Application Connection Manager

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