# Unable to launch katalon suddenly **URL:** \ **Category:** Web Testing\ **Tags:** katalon-studio\ **Created:** [May 16, 2017, 9:48pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217 "2017-05-16T21:48:47Z")\ **Posts on this page:** 11\ **Page:** 1
**Author:** ![Ambika\_Murugesan](https://avatars.discourse-cdn.com/v4/letter/a/87869e/32.png) [@Ambika\_Murugesan](https://forum.katalon.com/u/Ambika_Murugesan)\ **Post date:** [May 16, 2017, 9:48pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/1 "2017-05-16T21:48:47Z")
Hello, I was using katalon fine and suddenly it stopped working. When I tried to Quit and reload it is not opening. Pop error says " An error has occured. See the log file this is the log file generated- !SESSION 2017-05-16 15:45:19.502 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0\_102 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 -data config !ENTRY org.eclipse.osgi 4 0 2017-05-16 15:45:19.945 !MESSAGE Application error !STACK 1 java.lang.IllegalStateException: Unable to acquire application service. Ensure that the org.eclipse.core.runtime bundle is resolved and started (see config.ini). at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:78) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610) at org.eclipse.equinox.launcher.Main.run(Main.java:1519) Could you please advice me here. ---
**Author:** ![Ambika\_Murugesan](https://avatars.discourse-cdn.com/v4/letter/a/87869e/32.png) [@Ambika\_Murugesan](https://forum.katalon.com/u/Ambika_Murugesan)\ **Post date:** [May 17, 2017, 6:45pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/2 "2017-05-17T18:45:34Z")
Working now- Yep, I did the re-download and import projects from previous work space. Thanks ---
**Author:** ![Ambika\_Murugesan](https://avatars.discourse-cdn.com/v4/letter/a/87869e/32.png) [@Ambika\_Murugesan](https://forum.katalon.com/u/Ambika_Murugesan)\ **Post date:** [May 17, 2017, 4:34pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/3 "2017-05-17T16:34:14Z")
Hi Vinh, Yes,I tried delete the metadata folder but still didn’t work. Please share if you have any alternative ideas. ---
**Author:** ![Zarashima](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/zarashima/32/928_2.png) [@Zarashima](https://forum.katalon.com/u/Zarashima)\ **Post date:** [May 17, 2017, 4:54pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/4 "2017-05-17T16:54:03Z")
Hi there, It’s strange. How about re-downloading Katalon Studio and open a new fresh one? Thanks ---
**Author:** ![Zarashima](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/zarashima/32/928_2.png) [@Zarashima](https://forum.katalon.com/u/Zarashima)\ **Post date:** [May 17, 2017, 1:15am UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/5 "2017-05-17T01:15:27Z")
Hi there, Please try to delete .metadata folder in build folder ,e.g C:\4.5-2\config\.metadata and try again. Thanks ---
**Author:** ![Ann\_Ohremenko](https://avatars.discourse-cdn.com/v4/letter/a/f475e1/32.png) [@Ann\_Ohremenko](https://forum.katalon.com/u/Ann_Ohremenko)\ **Post date:** [March 22, 2018, 8:34pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/6 "2018-03-22T20:34:44Z")
i agree. download again exe-file and katalon studio works! ---
**Author:** ![Jodi\_Bennett](https://avatars.discourse-cdn.com/v4/letter/j/ed655f/32.png) [@Jodi\_Bennett](https://forum.katalon.com/u/Jodi_Bennett)\ **Post date:** [November 19, 2018, 11:38am UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/7 "2018-11-19T11:38:05Z")
\*\*NEVER MIND! SORTED! It was because I extracted the zip file to the Program Files folder and was trying to run the .exe file from there instead of just letting it extract to the Downloads folder and running it from there. \*\* Hi. I’ve had the same issue, but my log is telling me stuff like: > !ENTRY com.kms.katalon 4 0 2018-11-19 11:17:29.329 > !MESSAGE [SCR] Component definition XMLs not found in bundle com.kms.katalon. The component header value is OSGI-INF/component.xml > !ENTRY com.kms.katalon 4 0 2018-11-19 11:17:29.329 > !MESSAGE [SCR] Component definition XMLs not found in bundle com.kms.katalon. The component header value is OSGI-INF/component.xml > !ENTRY org.eclipse.update.configurator 4 0 2018-11-19 11:17:31.956 > !MESSAGE Could not install bundle plugins/atu.testrecorder.screen-recorder\_2.1.0.jar A bundle is already installed with the name “atu.testrecorder.screen-recorder” and version “2.1.0” > !ENTRY org.eclipse.update.configurator 4 0 2018-11-19 11:17:31.956 > !MESSAGE Could not install bundle plugins/com.fasterxml.jackson.core.jackson-annotations\_2.9.1.jar A bundle is already installed with the name “com.fasterxml.jackson.core.jackson-annotations” and version “2.9.1” > !ENTRY org.eclipse.update.configurator 4 0 2018-11-19 11:17:31.971 > !MESSAGE Could not install bundle plugins/com.fasterxml.jackson.core.jackson-core\_2.9.6.jar A bundle is already installed with the name “com.fasterxml.jackson.core.jackson-core” and version “2.9.6” > !ENTRY org.eclipse.update.configurator 4 0 2018-11-19 11:17:31.971 > !MESSAGE Could not install bundle plugins/com.fasterxml.jackson.core.jackson-databind\_2.9.1.jar A bundle is already installed with the name “com.fasterxml.jackson.core.jackson-databind” and version “2.9.1” etc. for lines and lines and lines. Then, at the bottom it shows: > !ENTRY org.eclipse.osgi 4 0 2018-11-19 11:17:40.968 > !MESSAGE Application error > !STACK 1 > java.lang.IllegalStateException: The platform metadata area could not be written: C:\Program Files\Katalon\_Studio\_Windows\_64-5.8.6\config\.metadata. By default the platform writes its content > under the current working directory when the platform is launched. Use the -data parameter to > specify a different content area for the platform. > at org.eclipse.core.internal.runtime.DataArea.assertLocationInitialized(DataArea.java:61) > at org.eclipse.core.internal.runtime.DataArea.getStateLocation(DataArea.java:129) > at org.eclipse.core.internal.preferences.InstancePreferences.getBaseLocation(InstancePreferences.java:44) > at org.eclipse.core.internal.preferences.InstancePreferences.initializeChildren(InstancePreferences.java:209) > at org.eclipse.core.internal.preferences.InstancePreferences.(InstancePreferences.java:59) > at org.eclipse.core.internal.preferences.InstancePreferences.internalCreate(InstancePreferences.java:220) > at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:352) > at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:340) > at org.eclipse.core.internal.preferences.PreferencesService.createNode(PreferencesService.java:391) > at org.eclipse.core.internal.preferences.RootPreferences.getChild(RootPreferences.java:60) > at org.eclipse.core.internal.preferences.RootPreferences.getNode(RootPreferences.java:95) > at org.eclipse.core.internal.preferences.RootPreferences.node(RootPreferences.java:84) > at org.eclipse.core.internal.preferences.AbstractScope.getNode(AbstractScope.java:38) > at org.eclipse.core.runtime.preferences.InstanceScope.getNode(InstanceScope.java:77) > at com.kms.katalon.preferences.internal.ScopedPreferenceStore.getStorePreferences(ScopedPreferenceStore.java:216) > at com.kms.katalon.preferences.internal.ScopedPreferenceStore.(ScopedPreferenceStore.java:117) > at com.kms.katalon.preferences.internal.PreferenceStoreManager.initialPreferenceStore(PreferenceStoreManager.java:25) > at com.kms.katalon.preferences.internal.PreferenceStoreManager.getPreferenceStore(PreferenceStoreManager.java:21) > at com.kms.katalon.preferences.internal.PreferenceStoreManager.getPreferenceStore(PreferenceStoreManager.java:14) > at com.kms.katalon.util.ApplicationSession.getStore(ApplicationSession.java:51) > at com.kms.katalon.util.ApplicationSession.clean(ApplicationSession.java:17) > at com.kms.katalon.core.application.Application.preRunInit(Application.java:80) > at com.kms.katalon.core.application.Application.start(Application.java:49) > at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) > at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) > at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) > at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) > at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673) > at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610) > at org.eclipse.equinox.launcher.Main.run(Main.java:1519) I already had Eclipse installed on my computer. I have removed it and restarted my computer hoping this would fix the issue, but it didn’t. I still get the same log. I’ve searched my computer for anything eclipse related and can’t find anything (hidden files are visible), so I don’t know what to do. \*\*NEVER MIND! SORTED! It was because I extracted the zip file to the Program Files folder and was trying to run the .exe file from there instead of just letting it extract to the Downloads folder and running it from there. \*\* ---
**Author:** ![manohar.sridharan](https://avatars.discourse-cdn.com/v4/letter/m/e99b99/32.png) [@manohar.sridharan](https://forum.katalon.com/u/manohar.sridharan)\ **Post date:** [January 8, 2019, 4:44am UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/8 "2019-01-08T04:44:15Z")
![image](https://europe1.discourse-cdn.com/katalon/original/1X/2ca684d650c1c91bf78ab51dc92f133cf4ea2232.png) Hi i am getting java.lang.Null exception error while trying to run katalon from linux prompt. ---
**Author:** ![Josue\_Lugo\_Pimentel](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@Josue\_Lugo\_Pimentel](https://forum.katalon.com/u/Josue_Lugo_Pimentel)\ **Post date:** [April 30, 2019, 8:39pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/9 "2019-04-30T20:39:20Z")
This works!, thanks! ---
**Author:** ![ainendent](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/ainendent/32/12567_2.png) [@ainendent](https://forum.katalon.com/u/ainendent)\ **Post date:** [May 20, 2020, 7:23am UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/10 "2020-05-20T07:23:11Z")
Run as Administrator and it works. Happy testing! 🙂 ---
**Author:** ![rgamba.externo](https://avatars.discourse-cdn.com/v4/letter/r/edb3f5/32.png) [@rgamba.externo](https://forum.katalon.com/u/rgamba.externo)\ **Post date:** [September 29, 2020, 4:01pm UTC](https://forum.katalon.com/t/unable-to-launch-katalon-suddenly/6217/11 "2020-09-29T16:01:32Z")
Okay, you can run Katalon Studio as Administrator, but the problem is that users don’t have permissions to edit the registry file in Katalon Studio. Please, check the user’s permissions ‘Full Control’ in .config folder. Best regards