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DXP 7.0 start up fails with error ORA-00942 on empty Oracle database
Issue When trying to start up a DXP 7.0 portal on an empty Oracle database it fails. On the logs the following messages can be seen: 2020-02-20 20:16:01.209 INFO [localhost-startStop-1][VerifyProcess:81] Completed verification process com.liferay.portal.verify.VerifyProcessSuite in...
I cannot save Instance Settings due to error: Please enter a valid mail domain
Issue I go to Control Panel > Configuration > Instance Settings (or Virtual Instances) I enter a valid mail domain and click Save I get the error: "Please enter a valid mail domain" Environment Liferay DXP 7.1 FP15+ Liferay DXP 7.2 FP1+ Resolution With LPS-97249, Liferay introduced a new...
ORA-01408 exception when upgrading custom Service Builder module
Issue Running g! upgrade:check it turns out that a component was not migrated successfully, the output is for example: There is an upgrade process available for ServiceBuilder.service from 0.0.0 to 1.0.0 Upon executing the upgrade, a similar error appears:...
How to Change the Session Timeout Value
Issue How do I modify Liferay's default session-timeout of any logged-in user? Environment DXP 7.2 DXP 7.3 DXP 7.4 Resolution This value is set on the [App_Server_HOME]/webapps/ROOT/WEB-INF/web.xml file. You can manually adjust the property below, replacing X for the timeout value in...
${device} in Freemarker template does not return device data
Issue When using the Freemarker directive ${device} and checking the resulting content on the interface, no actual device data will be returned: {brand=unknown, browser=unknown, browserVersion=unknown, model=unknown, os=unknown, osVersion=unknown, pointingMethod=unknown,...
Date fields are set with invalid format on JDK9+
Issue After setting Liferay to use JDK9 (or any major), customers may notice that the date formats will be invalid upon selection on the date picker: for example, in Swedish, for a date like February, 20th, the field will show y-02-20 instead of 2020-02-20 Environment Liferay DXP 7.1+...
How to automatically log thread dumps when the portal is too slow in Liferay?
Issue How to automatically generate thread dumps when the portal is slow? Environment Liferay Portal 6.2 Liferay DXP 7.0,7.1,7.2,7.3, and  7.4 Resolution Liferay has provided the below two properties which will generate the thread dump in the Liferay logs when the portal is slow. # # The...
API for document deletion
Issue API for the document deletion Environment Liferay portal 6.2 Resolution Please Note: The following procedures and unofficial links involve customizations that are beyond the scope of Liferay Support.  Please exercise appropriate discretion in the use of this information. By...
NullPointerException when compiling module JSPs in OpenJDK 11.0.6
Issue I'm using OpenJDK 11.0.6. When I deploy a module with custom JSP, JSP compilation fails with NullPointerException: java.lang.RuntimeException: java.lang.NullPointerException: entry at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.handleExceptions(JavacTaskImpl.java:163) at...
Improve the Performance of JS Loader Modules Servlet
Issue How could we minify js_loader_modules file to improve our page load performance? Environment DXP 7.1 Resolution Install Fix Pack 11 which includes the following fixes to improve the performance of js_loader_modules servlet. LPS-82808 LPS-83949 LPS-92402 LPS-92810 Use the following...
Update to DXP 7.2 Fix Pack 4 from DXP 7.2 GA1
Issue When updating from DXP 7.2 GA1 to Fix Pack 4 you may encounter the following startup error: 2020-01-31 02:55:02.013 ERROR [Framework Event Dispatcher: Equinox Container: b8f39843-b261-414d-83ce-0349e281fc15][Framework:93] FrameworkEvent ERROR org.osgi.framework.BundleException:...
Upgrade from 6.2 to DXP fails with IBM-specific AESSecretKey error
Issue Upgrade from 6.2 to DXP fails with IBM-specific AESSecretKey error, when a user was using IBM JDK for the 6.2 environment. 2020-01-08 13:00:49.267 ERROR [main][Base64:343] java.lang.ClassNotFoundException: com.ibm.crypto.provider.AESSecretKey...
bnd.bnd is not getting created with EXT module project
Issue bnd.bnd is not getting created with EXT module project. Environment Liferay DXP 7.2 Resolution Please Note: The following procedures and unofficial links involve customizations that are beyond the scope of Liferay Support.  Please exercise appropriate discretion in the use of this...
How to configure/use outlook mail server to send email notifications in Liferay
Issue While configuring outlook mail through Liferay mail configuration the below exception is thrown : " Could not connect to SMTP host: smtp.office365.com, port: 587"  OR ERROR [liferay/mail-1][MailEngine:128] Unable to send message: Exception reading response...
UiWebView deprecation
Issue I get a UIWebView deprecation warning that Apple will stop accepting submission of apps that use UIWebView APIs; Liferay mobile SDK uses the AFNetwroking library which is using UIWebView APIs. Environment Liferay DXP 7.0 Liferay DXP 7.1 Liferay DXP 7.2 Resolution We have released a...
How to identify the filename for a System Settings configuration file
Issue This article documents how to determine the filename that should be used for a Systems Settings configuration file (.config) that can be inserted into $LIFERAY.HOME/osgi/configs. Why? The creation of System Settings .config files permits you to transfer configurations between one...
Configuring the respective landing page with the customised logout modules for the two different sites in one Liferay instance
Issue There are two different sites named site-a and site-b in one Liferay instance. Develop a custom hook for the logout module to customize the logout landing page for these two different sites How to configure the respective landing page with the customized logout modules for the two...
How to generate the crt and key of a certificate on base64 for a custom domain on Liferay PaaS?
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue As stated on this documentation you'll need to add both the crt and the key on base 64 on the LCP.json file. { "id": "webserver",...
How to disable Scripting Console
Issue Even if Scripting Console is restricted to those with the server administration role, we would like to disable this scripting functionality in our 7.0 portal. Environment DXP 7.0 Resolution Scripting from Scripting Console can be disabled by blacklisting the following modules:...
The portal becomes unresponsive due to java.io.IOException: Broken pipe error thrown in the log
Issue The portal becomes unresponsive and the log is filled with the below error, ERROR [default task-112985][VirtualHostFilter:375] java.io.IOException: Broken pipe java.io.IOException: Broken pipe  at sun.nio.ch.FileDispatcherImpl.writev0(Native Method)  at...

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