Resource manager is unavailable. ORA-17002 SQLErr (0) Weblogic

Data source issue in Oracle Weblogic/SOA

Error:

 

Internal Exception: java.sql.SQLException: Unexpected exception while enlisting XAConnection java.sql.SQLException: XA error: XAResource.XAER_RMFAIL start() failed on resource 'dsname_doamain': XAER_RMFAIL : Resource manager is unavailable

oracle.jdbc.xa.OracleXAException: XAErr (-7): Resource manager is unavailable. ORA-17002 SQLErr (0)

          at oracle.jdbc.xa.OracleXAResource.checkError(OracleXAResource.java:1113)

 

Solution:

 

Go to data source--> Connection Pool and Advanced

 

Set the following:

 

Test Connections On Reserve: true

Test Frequency: 60

Connection Creation Retry Frequency: 10

 

Save, activate the changes and restart the servers.

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Failed to import appliance Error reading OVA VERR_TAR_UNEXPECTED_EOS

Issue:
While importing OVA file in Oracle virtual box, below issue can come.

Failed to import appliance OST01.ova.  Error reading OVA 'OST01.ova' (VERR_TAR_UNEXPECTED_EOS).

 Result Code: VBOX_E_IPRT_ERROR (0x80BB0005) Component: ApplianceWrap Interface: IAppliance {8398f026-4add-4474-5bc3-2f9f2140b23e}

Failed to import appliance Error reading OVA  VERR_TAR_UNEXPECTED_EOS

Workaround:

Download the 7zip and extract your OVA file by using it. Now import your .ovf file which you got after extraction, this should work.

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Process Verification Failure: The process has more than one thread.VirtualBox

Issue:

VirtualBox - Error In supR3HardenedWinReSpawn

rc= -55640)

Please try reinstalling VirtualBox

where: supR3HardenedWinReSpawn what: 1

VER_SUR_VP_THREAD_NOT_ALONE (-5640) - Process Verification Failure:

The process has more than one thread.

Workaround:

Download and install the VirtualBox 5.1.16 (released March 08 2017) and you will not get this issue.

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C:\Program' is not recognized as an internal or external command

Issue:

D:\Software\Jdev\fmw_12.2.1.3.0_soaqs_Disk1_1of2>C:\Program Files\Java\jdk1.8.0_171\bin\java.exe -jar fmw_12.2.1.3.0_soa_quickstart.jar

'C:\Program' is not recognized as an internal or external command,

operable program or batch file.

Reason:

Space in directory Program Files.

Workaround: Use " " like below: 

D:\Software\Jdev\fmw_12.2.1.3.0_soaqs_Disk1_1of2>"C:\Program Files\Java\jdk1.8.0_171\bin\java.exe" -jar fmw_12.2.1.3.0_soa_quickstart.jar

Launcher log file is D:\Users\muhammad.nasir\AppData\Local\Temp\OraInstall2018-07-05_12-00-01PM\launcher2018-07-05_12-00-01PM.log.

Extracting the installer . . . . . . . . . . .

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xhost unable to open display,Please set the DISPLAY

Workaround:

1) log into console as root and open a terminal. 
2) DISPLAY=:0.0
3) export DISPLAY
4) xhost +
5) su - oracle
6) DISPLAY=:0.0
7) export DISPLAY

Detail Error:

SPLAY is not set.  Please set the DISPLAY environment variable and try again.
Depending on the Unix Shell, you can use one of the following commands as examples to set the DISPLAY environment variable:
- For csh:  %% setenv DISPLAY 192.168.1.128:0.0
- For sh, ksh and bash: $ DISPLAY=192.168.1.128:0.0; export DISPLAY
Use the following command to see what shell is being used:
echo $SHELL
Use the following command to view the current DISPLAY environment variable setting:
echo $DISPLAY
- Make sure that client users are authorized to connect to the X Server.
To enable client users to access the X Server, open an xterm, dtterm or xconsole as the user that started the session and type the following command:
%% xhost +
To test that the DISPLAY environment variable is set correctly, run a X11 based program that comes with the native operating system such as 'xclock':
%% <full path to xclock; see below>
If you are not able to run xclock successfully, please refer to your PC-X Server or OS vendor for further assistance.
Typical path for xclock: /usr/X11R6/bin/xclock
java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
at java.awt.Window.<init>(Window.java:536)
at java.awt.Frame.<init>(Frame.java:420)
at java.awt.Frame.<init>(Frame.java:385)
at javax.swing.SwingUtilities$SharedOwnerFrame.<init>(SwingUtilities.java:1758)
at javax.swing.SwingUtilities.getSharedOwnerFrame(SwingUtilities.java:1833)
at javax.swing.JDialog.<init>(JDialog.java:272)
at javax.swing.JDialog.<init>(JDialog.java:206)
at javax.swing.JDialog.<init>(JDialog.java:154)
at oracle.as.install.engine.modules.presentation.ui.common.dialogs.SpecifyInventoryDirectoryDialog.<init>(SpecifyInventoryDirectoryDialog.java:248)
at oracle.as.install.engine.modules.presentation.ui.common.dialogs.SpecifyInventoryDirectoryDialog.showDialog(SpecifyInventoryDirectoryDialog.java:781)
at oracle.sysman.oio.oioc.OiocOneClickInstaller.main(OiocOneClickInstaller.java:643)

The log(s) can be found here: /tmp/OraInstall2018-07-12_12-27-39AM.

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ERROR: 1045 (28000): Access denied for user 'abc'@'localhost' (using password: YES)

This issue comes when you are not entering your MYSQL connection string properly. Below screenshot shows how to connect to MYSQL and avoid this issue.

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Jdeveloper windows not showing

 Problems:

Jdeveloper windows are not showing properly 

Solution:

Rename or delete this file from Jdeveloper direcotry 

windowinglayout.xml

just search it and delete it

second option 

Reset windows to factory settings 

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