Question

aix 6.1 oracle 11g，已有一个实例，在使用dbca创建一个新实例时，无法启动，错误记录如下：

Exception in thread "main" java.lang.NullPointerException
at oracle.ewt.lwAWT.LWComponent.updateUI(Unknown Source)
at oracle.ewt.lwAWT.LWComponent.updateUI(Unknown Source)
at oracle.ewt.lwAWT.LWComponent.updateUI(Unknown Source)
at oracle.ewt.lwAWT.LWComponent.<init>(Unknown Source)
at oracle.ewt.wizard.BaseWizard.<init>(Unknown Source)
at oracle.ewt.wizard.Wizard.<init>(Unknown Source)
at oracle.sysman.assistants.util.wizard.WizardExt.<init>(WizardExt.java:74)
at oracle.sysman.assistants.util.wizard.WizardObject.<init>(WizardObject.java:64)
at oracle.sysman.assistants.dbca.ui.DBCAWizard.<init>(DBCAWizard.java:444)
at oracle.sysman.assistants.dbca.ui.UIHost.<init>(UIHost.java:245)
at oracle.sysman.assistants.dbca.Dbca.getHost(Dbca.java:160)
at oracle.sysman.assistants.dbca.Dbca.execute(Dbca.java:94)
at oracle.sysman.assistants.dbca.Dbca.main(Dbca.java:180)

Answer 1

无法判断错误原因，我就答非所问一下，建新实例不一定非要dbca，
可以手工建库（见官方文档 http://http://docs.oracle.com/cd/E11882_01/server.112/e25494/create.htm#CIAEJDBE ），
也可以用dbca的silient方式创建，给你个范例吧，
dbca -silent -createDatabase -templateName "General_Purpose.dbc" -gdbName "orcl" \
-sysPassword "oracle" -systemPassword "oracle" -emConfiguration "NONE" \
-datafileDestination "/u01/app/oracle/oradata" -characterSet "US7ASCII" \
-nationalCharacterSet "AL16UTF16" -registerWithDirService "false" -listeners "listener" \
TOTALMEMORY = "512" -databaseType "OLTP"