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java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 1
legacy Troubleshooting
Issue While upgrading to Liferay DXP 7.4, following errors were observed in the logs: ERROR [http-nio-8080-exec-21][OpenIdConnectSessionValidationFilter:53] java.lang.StringIndexOutOfBoundsException: begin 0, end...
org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class [com.sun.proxy.$Proxy6] java.lang.reflect.UndeclaredThrowableException
legacy Troubleshooting
Issue When setting up Liferay with Oracle 19c, the following errors were encountered during Liferay startup. 2024-02-19 11:39:07.830 INFO [main][ModuleFrameworkImpl:1309] Starting initial bundles 19-Feb-2024...
java.lang.ClassCastException: class javax.mail.Session cannot be cast to class javax.mail.Session error when configuring email delivery using JNDI
legacy Troubleshooting
Issue We have configured email delivery using the application server JNDI mail resource, adding the following property to the portal-ext.properties file mail.session.jndi.name=mail/Session  We followed this Liferay...
java.lang.ClassNotFoundException: org.hibernate.proxy.HibernateProxy cannot be found when blob column is used in service builder
legacy Troubleshooting
Issue I use a blob column type in service builder. On deployment i get Caused by: java.lang.ClassNotFoundException: org.hibernate.proxy.HibernateProxy cannot be found Environment 7.4 Resolution Add the followings...
Troubleshooting java.lang.NoClassDefFoundError/java.lang.ClassNotFoundException
legacy Troubleshooting
Issue java.lang.NoClassDefFoundError or java.lang.ClassNotFoundException on portal startup only. Environment Portal containing custom modules including optional dependencies. Resolution Review the deployed...
java.lang.RuntimeException: com.liferay.portal.lpkg.deployer.LPKGVerifyException: LPKG validation failed
legacy Troubleshooting
Issue Why "LPKGVerify RuntimeException" triggers? SEVERE: Exception sending context initialized event to listener instance of class com.liferay.portal.spring.context.PortalContextLoaderListener...
Can not start Liferay after upgrading to jdk 11 with "java.lang.ClassNotFoundException: jdk.internal.reflect.MethodAccessorImpl cannot be found" reported
legacy Troubleshooting
Issue After upgrading to JDK 11, the server can not be started due to the following error: 2020-03-16 16:47:50.470 ERROR [Start Level: Equinox Container:...