Talend Start Up Error : An error occurred while automatically activating bundle org.talend.designer.core (1557).

This error generated in log file of Talend during startup of talend job. 

!SESSION 2020-11-11 12:35:58.951 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.8.0_271
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86_64
 
This is a continuation of log file D:\Talend_Integration\TOS-Win32-r30698-V3.2.0\workspace1\.metadata\.bak_0.log
Created Time: 2020-11-11 12:35:59.910
!SESSION 2020-11-11 12:35:58.951 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.8.0_271
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86_64
 
!ENTRY org.eclipse.osgi 4 0 2020-11-11 12:35:59.911
!MESSAGE An error occurred while automatically activating bundle org.talend.designer.core (1557).
!STACK 0
org.osgi.framework.BundleException: The activator org.talend.designer.core.DesignerPlugin for bundle org.talend.designer.core is invalid

Issue
Previous Talend was working, suddenly after weekend restart, Talend stop working

Problem
Java got updated during restart

Solution
Start Talend UI by pointing to specific JDK installed previously. 

Use Command (run in CMD): 

• TOS_DI-win32-x86.exe -vm "C:\Program Files (x86)\Java\jdk1.7.0_65\bin"

Or See detailed (Click Here)

Talend Startup Error

My machine is installed with java 1.7 and 1.8 both and i have moved to environment setting of computer and observed that JAVA_HOME environment variable set to 1.7., When i tries to to start the talend ETL tool on my machine, it throws the version error. Here i am writing this article to resolve this error. You can like, share, and add your value able comments in this post if it helps you.

Here i am trying to start talend but it throws error:

"The Studio does not support Java 8. Java 7 is the recommended JVM version to be used"

Now how to start Talend on machine if both java version is installed on your machine

Solution

As Talend the version i am using is not supportable on java 8, so i need to start talend through cmd assigning it java 7, so that it can start, let's use below commands and see if it works or not.

• Open Cmd
• Move to installed directory of Talend and run below command
• TOS_DI-win32-x86.exe -vm "C:\Program Files (x86)\Java\jdk1.7.0_65\bin"