hadoop/hadoop-common-project/hadoop-kms/dev-support/findbugsExcludeFile.xml

<!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-->
<FindBugsFilter>

  <!-- The called method signature is isNullOrEmpty(@Nullable String string) in guava 27, so this should be ignored. -->
  <Match>
    <Class name="org.apache.hadoop.crypto.key.kms.server.KMSAudit"/>
    <Method name="op" />
    <Bug pattern="NP_NULL_PARAM_DEREF"/>
  </Match>

  <!--
    Findbug is complaining about System.out being NULL
  -->
  <Match>
    <Class name="org.apache.hadoop.crypto.key.kms.server.KMSWebApp"/>
    <Bug pattern="NP_ALWAYS_NULL"/>
  </Match>
  <!--
    KMSWebApp is a webapp singleton managed by the servlet container via
    ServletContextListener.
  -->
  <Match>
    <Class name="org.apache.hadoop.crypto.key.kms.server.KMSWebApp"/>
    <Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD"/>
  </Match>
  <!--
    KMSWebApp does an exit to kill the servlet container if the initialization
    fails.
  -->
  <Match>
    <Class name="org.apache.hadoop.crypto.key.kms.server.KMSWebApp"/>
    <Bug pattern="DM_EXIT"/>
  </Match>
  <!--
    KMS wants to log the exception before it's thrown to Jetty and disappear.
  -->
  <Match>
    <Class name="org.apache.hadoop.crypto.key.kms.server.KMS"/>
    <Bug pattern="REC_CATCH_EXCEPTION"/>
  </Match>
</FindBugsFilter>