Getting "An unexpected error occurred" when deploying an OSB project

Problem:

When deploying an OSB project, you may get the following undescriptive error on the OSB Console:

An unexpected error occurred.

The following error would appear in the AdminServer.out file:

####<Mar 3, 2017 5:03:21 PM GMT> <Error> <netuix> <osbhost1> <AdminServer> <[ACTIVE] ExecuteThread: '39' for queue: 'weblogic.kernel.Default (self-tuning)'> <weblogic> <> <685ea1de428af539:-5fcff8e9:82f2515a61f:-8000-0000000000003938> <1488560601009> <BEA-423137> <There was an error loading the requested URI null.>

####<Mar 3, 2017 5:03:21 PM GMT> <Error> <netuix> <osbhost1> <AdminServer> <[ACTIVE] ExecuteThread: '39' for queue: 'weblogic.kernel.Default (self-tuning)'> <weblogic> <> <de428af5685ea139:-5fcff8e9:15a61f82f25:-8000-0000000000003938> <1488560601009> <BEA-423223> <There was an error while running a lifecycle stage :: Lifecycle: UIControl.render :: for the control :: null ::.
com.bea.netuix.nf.UIControlException: com.bea.portlet.adapter.scopedcontent.ActionLookupFailedException: java.lang.NoSuchMethodError: org.apache.commons.io.IOUtils.readFully(Ljava/io/InputStream;[B)V
        at com.bea.netuix.servlets.controls.content.NetuiContent.checkPreRenderExceptions(NetuiContent.java:404)
        at com.bea.netuix.servlets.controls.content.NetuiContent.beginRender(NetuiContent.java:343)
        at com.bea.netuix.nf.ControlLifecycle$7.visit(ControlLifecycle.java:485)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursiveRender(ControlTreeWalker.java:518)

Solution:

1. OSB JAR is missing the ExportInfo file.

Applicable Version:

• Oracle Service Bus (OSB) 11g (11.1.1.9)