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HADOOP-12653. Use SO_REUSEADDR to avoid getting "Address already in use" when using kerberos and attempting to bind to any port on the local IP address (cmccabe)

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(cherry picked from commit 30c7dfd8ba87fe1b455ad6c05c0a6cd6486f55b7)
This commit is contained in:
Colin Patrick Mccabe 2016-01-12 10:46:22 -08:00
parent 5e2416b901
commit 181437cccf
2 changed files with 5 additions and 0 deletions
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4
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -18,6 +18,10 @@ Release 2.9.0 - UNRELEASED
HADOOP-12663. Remove Hard-Coded Values From FileSystem.java.
(BELUGA BEHR via stevel)
HADOOP-12653. Use SO_REUSEADDR to avoid getting "Address already in use"
when using kerberos and attempting to bind to any port on the local IP
address (cmccabe)
BUG FIXES
HADOOP-12655. TestHttpServer.testBindAddress bind port range is wider

1
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java
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@ -625,6 +625,7 @@ private synchronized void setupConnection() throws IOException {
// If host name is a valid local address then bind socket to it
InetAddress localAddr = NetUtils.getLocalInetAddress(host);
if (localAddr != null) {
this.socket.setReuseAddress(true);
this.socket.bind(new InetSocketAddress(localAddr, 0));
}
}