Metacat

Don't print out the stack trace for a not found exception.

Downgrade the debug level from error to warn for a not found exception.

In the mn/cn.listObject method, if the toDate or fromDate have an incorrect format, it will throw an exception.

Synchornized the refresh method to make it thread safe.

Downgraded a debug level in order to make cn synchronization log more readable.

Add the code to handle null pointer better in the get method.

Don't set archive false in the system metadata when a resource map is obsoleted.

For ticket https://projects.ecoinformatics.org/ecoinfo/issues/7214.
Use the lastindexof and substring methods to find the deployment directory.

Change back to use URLDecoder to decode the code.

Add the code to submit index task in every methods which modified the system metadata.