TeslaCN commented on code in PR #23777:
URL: https://github.com/apache/shardingsphere/pull/23777#discussion_r1089686888
##########
docs/document/content/test-manual/integration-test/_index.en.md:
##########
@@ -166,6 +166,31 @@ If you only modify the test code, you can reuse the
existing test mirror without
./mvnw -B clean install -f
shardingsphere-test/shardingsphere-test-e2e/shardingsphere-test-e2e-test-suite/pom.xml
-Pit.env.docker -Dit.cluster.adapters=proxy,jdbc
-Dit.scenarios=${scenario_name_1,scenario_name_2,scenario_name_n}
-Dit.cluster.databases=MySQL
```
+#### Remote debug Proxy code in Docker container
+
+##### Remote debug Proxy started by docker image
+E2E Test Proxy image opens the 3308 port by default for remote debugging of
the instance in the container.
+Use the following method to connect and debug the Proxy code in the container
with IDE tools such as IDEA:
+
+IDEA -> Run -> Edit Configurations -> Add New Configuration -> Remote JVM Debug
+
+Edit the corresponding information:
+ - Name: A descriptive name, such as e2e-debug.
+ - Host: A IP that can access docker, such as 127.0.0.1
+ - Port: debugging port 3308.
+ - use module classpath: The root directory of the project shardingsphere.
+
+After editing the above information, run Run -> Run -> e2e-debug in IDEA to
start the remote debug of IDEA.
+
+##### Remote debug Proxy started by Testcontainer
+> Note: If the Proxy container is started by Testcontainer, because the 3308
port is not exposed before Testcontainer starts, it cannot be debugged by the
`Remote debug Proxy started by docker image` method.
+Debug Testcontainer started Proxy container by the following method:
+ - Set a breakpoint in the relevant startup class of Testcontainer, for
example, after the line `containerComposer.start();` in BaseE2EIT#setUp() in
the suite test, at this time, the relevant containers must have been started.
+ - Access breakpoint debugging mode through shortcut key Alt + F8, and view
the port mapped by the 3308 mapping of the Proxy object under the
containerComposer (the external mapping port of Testcontainer is random). For
example, the expression
`((ShardingSphereProxyClusterContainer)((java.util.LinkedList)((ITContainers)((ClusterContainerComposer)containerComposer).containers).dockerContainers).getLast()).getMappedPort(3308)`
get the mapped random port 51837.
Review Comment:
Could we just `docker ps` to get port?
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