Weblogic 12c - Managed Server is failing due to not reachable to admin server - weblogic12c

Can you please help me how to bring my managed server running
1)created managed server and deployed application for first time.
2)After some time i could find my Managed Server is down, So started buts failing due to below issue .
Note :Admin Server is up and running .
I have weblogic 12.2.1.3 server with two domains as domain3 and domain4
domain3 is working fine, but in domain4 Managed server is failing
To replicate issue in domain4 i have created Machine and attached the Managed server , but in monitoring Node Manager status i could find inactive .
Can i Start Node Manager in two domains even weblogic server is same ?
http://10.25.10.11:7001.>
http://10.15.10.23:7001.>
A MultiException has 4 exceptions. They are:
1. weblogic.security.SecurityInitializationException: Authentication for user weblogic denied.
2. java.lang.IllegalStateException: Unable to perform operation: post construct on weblogic.security.SecurityService
3. java.lang.IllegalArgumentException: While attempting to resolve the dependencies of weblogic.nodemanager.adminserver.NodeManagerMonitorService errors were found
4. java.lang.IllegalStateException: Unable to perform operation: resolve on weblogic.nodemanager.adminserver.NodeManagerMonitorService
at org.jvnet.hk2.internal.Collector.throwIfErrors(Collector.java:89)
at org.jvnet.hk2.internal.ClazzCreator.resolveAllDependencies(ClazzCreator.java:250)
at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:358)
at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:487)
at org.glassfish.hk2.runlevel.internal.AsyncRunLevelContext.findOrCreate(AsyncRunLevelContext.java:305)
Truncated. see log file for complete stacktrace
Caused By: weblogic.security.SecurityInitializationException: Authentication for user weblogic denied.
at weblogic.security.service.CommonSecurityServiceManagerDelegateImpl.doBootAuthorization(CommonSecurityServiceManagerDelegateImpl.java:1158)
at weblogic.security.service.CommonSecurityServiceManagerDelegateImpl.postInitialize(CommonSecurityServiceManagerDelegateImpl.java:1272)
at weblogic.security.service.SecurityServiceManager.postInitialize(SecurityServiceManager.java:586)
at weblogic.security.SecurityService.start(SecurityService.java:130)
at weblogic.server.AbstractServerService.postConstruct(AbstractServerService.java:76)
Truncated. see log file for complete stacktrace
Caused By: javax.security.auth.login.FailedLoginException: [Security:090938]Authentication failure: The specified user failed to log in. weblogic.security.providers.authentication.LDAPAtnDelegateException: [Security:090295]caught unexpected exception, No such object
at com.bea.common.security.utils.ExceptionHandler.throwFailedLoginException(ExceptionHandler.java:62)
at weblogic.security.providers.authentication.LDAPAtnLoginModuleImpl.login(LDAPAtnLoginModuleImpl.java:368)
at com.bea.common.security.internal.service.LoginModuleWrapper$1.run(LoginModuleWrapper.java:117)
at java.security.AccessController.doPrivileged(Native Method)
at com.bea.common.security.internal.service.LoginModuleWrapper.login(LoginModuleWrapper.java:114)
Truncated. see log file for complete stacktrace

Each node manager is typically limited to a single machine. One domain can have one admin server and multiple managed servers on multiple machines.
However, you can have multiple machines configured in a single domain, so if you have two machines configured, you can have two node managers.
The following might help solve your issue:
Delete or make a backup of the LDAP folder under the /servers//data/ and restart the server.
Check if a firewall is blocking the ports. Check if the admin-URL is accessible from the managed server machine.
Try starting a managed server from startManagedWebLogic.cmd/sh . Try enabling debug logging in Weblogic console -> server-name -> debug -> weblogic -> security -> atn.

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I recently installed IBM MDM 11.5, DB2 and IBM WebSphere on my system. For some reason the Asset in MDM-operational-server is stopped and isn't getting started. I'm new to this and don't know what is causing the problem.
Business-level applications
MDM-operational-server-EBA-E001
If anything is required from my side then please let me know.
I tried restarting the server multiple times, tried running 'Madconfig redeploy_EBA' and even reinstalled the whole thing again but still after completion it's in the same state. If tried to execute any OOTB transactions, it's throwing the following error:
Error: Service bean could not be looked up on server iiop://localhost:2809 and provider url com/dwl/base/requestHandler/beans/DWLServiceController
com.ibm.mdm.tools.metadata.common.exceptions.MetadataException: javax.naming.NameNotFoundException: Context: INLEN8520069636Node01Cell/nodes/INLEN8520069636Node01/servers/server1, name: com/dwl/base/requestHandler/beans/DWLServiceController: First component in name requestHandler/beans/DWLServiceController not found. [Root exception is org.omg.CosNaming.NamingContextPackage.NotFound: IDL:omg.org/CosNaming/NamingContext/NotFound:1.0]

weblogic does not find .ear in stage, but it is there on the file system

When starting the weblogic server I get this error:
Caused By: java.io.IOException: /home/weblogic/Oracle/Middleware/user_projects/domains/mydomain/servers/managed1/stage/myear/myear.ear (No such file or directory) with : /home/weblogic/Oracle/Middleware/user_projects/domains/epersonenstand/servers/managed1/stage/myear/myear.ear
<Failed to create App/Comp MBeans for AppDeploymentMBean myear. Error - weblogic.management.DeploymentException: /home/weblogic/Oracle/Middleware/user_projects/domains/epersonenstand/servers/managed1/stage/myear/myear/myear.ear.
But the ear file is present in the folder.
Tried to redeploy it while the server is running and while it is shut down, I get always the same error(and restarting the server including the OS). The same deployment did work earlier(tried different versions), the problems started after a restart of the server(weblogic was shut down properly).
The exact weblogic version is 12.2.1.3.0 running on SLES 12R2.
Does anybody has an idea how to solve the problem?
thanks in advance,
Ben
Does your domain have multiple machines configured? I've seem similar errors and got confused because checking the filesystem on the admin server machine showed the files existed, but when checking the machines of other servers (eg. managed1) the file didn't exist. The error message doesn't make it clear which machine the file can't be found on.

Apache Tomcat 9.0.40 server throws 404 error when ran on eclipse. otherwise it works fine

I am trying to learn jsp-apache web server - oracle db interconnectivity.
I installed Apache and gave it 10407 port and when I run it in windows command line 'startup'
server starts and I can connect to localhost:10407 website successfully.
But, when I try to do the same thing in Eclipse, (only one apache is installed in my computer atm)
Console shows same messages and it connects to server. But when I try to access localhost:10407,
it throws this error.
HTTP Status 404 – Not Found
Type Status Report
Message The requested resource [/] is not available
Description The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.
How can I fix this?
It was a mistake. I put index.html file in WEB-INF folder.

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I'm trying to deploy an application via web deploy to a windows 2012 r2 server.
First tried installing iis, web deploy using the msi. After getting an unreachable error I saw somewhere that I needed wmsvc to be installed and installed it via powershell command Install-WindowsFeature Web-Mgmt-Service.
I stopped getting the unreachable error and started getting this error ->
Error: Could not complete the request to remote agent URL 'http://xx.x.xx.xx:8172/MSDEPLOYAGENTSERVICE'.
Error: The operation has timed out
On the server's event viewer under system I get the following error ->
A fatal alert was generated and sent to the remote endpoint. This may result in termination of the connection. The TLS protocol defined fatal error code is 10. The Windows SChannel error state is 1203.
Any idea of what could be going on? Did I miss something on the installation?
After this I also tried installing everything but without iis and I get the same error.
So, this is really not a PoSH issue.
Maybe you should consider movin gthis question to another forum.
Anyway, you have either real server config issues (this can sometimes mean wipe and rebuild - very ugly option - but if it's a virtual machine and you have a snapshot, just roll back), or an app causing this.
Typically for Schannel type of error, it has to do with application or service in machine not able to complete any SSL connection sort of connection.
The error state parameter of 1203 means client error connecting to server, ie invalid ClientHello from the client
See if you can collect more data by...
https://support.microsoft.com/en-us/help/260729/how-to-enable-schannel-event-logging-in-iis
I realized this is an old question, but in case somebody ran into the same issue, here are my solution.
I had to follow this guidelines : https://learn.microsoft.com/en-us/aspnet/web-forms/overview/deployment/configuring-server-environments-for-web-deployment/configuring-a-web-server-for-web-deploy-publishing-web-deploy-handler
Copy the resulting publishsetting file. In the Publish/Profile page import it.
In the Publish/Connection page, change the server to the server address with the 8172 port. Add the password. Change the Destination URL to the site to go to after the publish is completed.
Then after Validate connection was completed, go ahead and publish it!

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My Sql developer was working fine from long time, suddenly from yesterday when i am trying to reconnect it is giving me following error:-
Status : Failure -Test failed: IO Error: Got minus one from a read call, connect lapse 62991 ms., Authentication lapse 0 ms.
Things I tried to solve the issue:-
Made corresponding changes in sqlnet.ora , listener.ora and tnsnames.ora files
Checked is there are too many open connections to the database service.
Restarted ORACLE service and listener
Firewall related changes
Reinstalled ORACLE
In my case the issue, it is due to a malware. Whenever i am trying to connect to DB port, it was automatically getting changed by malware.
You can also identify the problem by using lsnrctl status command, for further information. You can also see the log file of listener.
Run a full scan on your machine and restart listener, hope that helps.