java.lang.NumberFormatException: null

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    • java.lang.NumberFormatException: null at java.lang.Integer.parseInt(Integer.java:415) at java.lang.Integer.parseInt(Integer.java:497) at org.apache.roller.weblogger.business.startup.DatabaseInstaller.getDatabaseVersion(DatabaseInstaller.java:1169) at org.apache.roller.weblogger.business.startup.DatabaseInstaller.isUpgradeRequired(DatabaseInstaller.java:99) at org.apache.roller.weblogger.business.startup.WebloggerStartup.prepare(WebloggerStartup.java:201) at org.apache.roller.weblogger.ui.core.RollerContext.contextInitialized(RollerContext.java:138) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3830) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4337) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626) at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)

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