[NIFI-3767] improve error message when using ConfigEncryptionTool and unlimited strenght jce is not present

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.2.0
• Assignee: Unassigned
• Reporter: Arpit Gupta
• Created: 01/May/17 21:55
• Updated: 01/May/17 21:55

Description

If the user has not setup unlimited strength jce and uses the ConfigEncryptionTool they get the following error.

2017/04/27 21:43:15 ERROR [main] org.apache.nifi.properties.ConfigEncryptionTool: Encountered an error
java.security.InvalidKeyException: Illegal key size
	at javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1039)
	at javax.crypto.Cipher.init(Cipher.java:1393)
	at javax.crypto.Cipher.init(Cipher.java:1327)
	at javax.crypto.Cipher$init$1.call(Unknown Source)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:141)
	at org.apache.nifi.properties.ConfigEncryptionTool.generateFlowEncryptionCipher(ConfigEncryptionTool.groovy:680)
	at org.apache.nifi.properties.ConfigEncryptionTool.migrateFlowXmlContent(ConfigEncryptionTool.groovy:630)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:210)
	at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.call(PogoMetaMethodSite.java:71)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
	at org.apache.nifi.properties.ConfigEncryptionTool.main(ConfigEncryptionTool.groovy:1184)
Illegal key size

If the error can be improved to point the user in the direction of unlimited strength jce that would be great.