Mindblown: a blog about philosophy.

  • lsnrctl: command not found

    So, you’re trying to start your Oracle DB listener and are met with the frustrating “lsnrctl: command not found” error? Issue [oracle@VHOST2 ~]$ lsnrctl -bash: lsnrctl: command not found How to Fix? Solution Well, let’s break it down. This error usually occurs when the system can’t find the lsnrctl command due to a missing or…

  • dbt-06103 the port (5500) is already in use

    Oh man, you wouldn’t believe the headache I had when trying to install Oracle Database 19c. So, imagine this: you’re all hyped up, ready to dive into the world of databases and stuff, and then bam! You get hit with an error message that says “port already in use.” Ugh, talk about a bummer. Basically,…

  • Hello world!

    Welcome to WordPress. This is your first post. Edit or delete it, then start writing!

  • 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  …

  • 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…

  • 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.

  • C:Program’ is not recognized as an internal or external command

    Issue: D:SoftwareJdevfmw_12.2.1.3.0_soaqs_Disk1_1of2>C:Program FilesJavajdk1.8.0_171binjava.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:SoftwareJdevfmw_12.2.1.3.0_soaqs_Disk1_1of2>“C:Program FilesJavajdk1.8.0_171binjava.exe” -jar fmw_12.2.1.3.0_soa_quickstart.jar Launcher log file is D:Usersmuhammad.nasirAppDataLocalTempOraInstall2018-07-05_12-00-01PMlauncher2018-07-05_12-00-01PM.log. Extracting the installer . . . . . . . . . . .

  • xhost unable to open display,Please set the DISPLAY

    Workaround: 1) log into console as root and open a terminal. 2) DISPLAY=:0.03) export DISPLAY4) xhost +5) su – oracle6) DISPLAY=:0.07) 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…

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

    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.

  • 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 

Got any book recommendations?