How to use

findWrappedCause

method

in

com.dremio.common.exceptions.ErrorHelper

uex = ErrorHelper.findWrappedCause(cause, UserException.class);
if (uex != null) {
 this.errorType = null;
 this.cause = cause;
} else {
 OutOfMemoryException oom = ErrorHelper.findWrappedCause(cause, OutOfMemoryException.class);
 if (oom != null) {
  this.errorType = DremioPBError.ErrorType.OUT_OF_MEMORY;

 return descriptor.getMaterializationFor(helper.getConverter());
} catch (KryoLogicalPlanSerializers.KryoDeserializationException e) {
 final UserException uex = ErrorHelper.findWrappedCause(e, UserException.class);
 if (uex != null && uex.getErrorType() == UserBitShared.DremioPBError.ErrorType.SOURCE_BAD_STATE) {
  logger.debug("failed to expand materialization descriptor {}/{} because source is down, skip for now",