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MERGE.txt
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MERGE.txt
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================================================================================
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.
================================================================================
Apache Tomcat re-uses code from a number of other Apache projects. There are
several reasons why depending on the binary releases of those projects is not
ideal. These include:
- potential conflicts if a web application ships with the same JAR
- a large JAR where Tomcat only depends on a small fraction
SVN
===
For sources hosted in svn the approach is to svn copy the classes to the Tomcat
source tree, modify them (always with a package rename, sometimes with
additional changes) and then keep them in sync with the original via regular svn
merges. This file keeps track of these copies to assist committers in keeping
them up to date.
BCEL
----
org.apache.tomcat.util.bcel is copied from:
/commons/proper/bcel/trunk/src/main/java/org/apache/bcel
Codec
-----
org.apache.tomcat.util.codec is copied from:
/commons/proper/codec/trunk/src/main/java/org/apache/commons/codec/
Note: Only classes required for Base64 encoding/decoding. The rest are removed.
GIT
===
Updates from Git are applied manually via patch files. Patch files are generated
using:
git diff <last SHA1>:<sub-tree> HEAD:<sub-tree> > temp.patch
The more recently merged SHA1 for the component below should be updated after
the patch file has been applied and committed
FileUpload
----------
Sub-tree:
src/main/java/org/apache/commons/fileupload
The SHA1 ID for the most recent commit to be merged to Tomcat is:
6c00d575a9521c386743891fd34bc5181174cc01
Note: Tomcat's copy of fileupload also includes classes copied manually (rather
than svn copied) from Commons IO.
DBCP
----
DBCP2
Sub-tree
src/main/java/org/apache/commons/dbcp2
src/main/resources/org/apache/commons/dbcp2
The SHA1 ID for the most recent commit to be merged to Tomcat is:
d7aa662fbbb99e536ae28c47d0c4e1d51e39d5b9
Pool2
Sub-tree
src/main/java/org/apache/commons/pool2
The SHA1 ID for the most recent commit to be merged to Tomcat is:
dfef97be70e8b1c3edb44b972fc7f700f3fe6255