HBASE-6825. [WINDOWS] Java NIO socket channels does not work with Windows ipv6
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1440679 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Enis Soztutar
parent
03cbe99685
commit
1b5576c693
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package org.apache.hadoop.hbase;
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import java.io.IOException;
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import java.net.BindException;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.ServerSocket;
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import java.nio.channels.ServerSocketChannel;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.junit.Assert;
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import org.junit.Test;
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import org.junit.experimental.categories.Category;
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/**
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* This tests whether ServerSocketChannel works over ipv6, which Zookeeper
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* depends on. On Windows Oracle JDK 6, creating a ServerSocketChannel throws
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* java.net.SocketException: Address family not supported by protocol family
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* exception. It is a known JVM bug, seems to be only resolved for JDK7:
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* http://bugs.sun.com/view_bug.do?bug_id=6230761
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*
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* For this test, we check that whether we are effected by this bug, and if so
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* the test ensures that we are running with java.net.preferIPv4Stack=true, so
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* that ZK will not fail to bind to ipv6 address using ClientCnxnSocketNIO.
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*/
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@Category(SmallTests.class)
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public class TestIPv6NIOServerSocketChannel {
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private static final Log LOG = LogFactory.getLog(TestIPv6NIOServerSocketChannel.class);
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/**
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* Creates and binds a regular ServerSocket.
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*/
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private void bindServerSocket(InetAddress inetAddr) throws IOException {
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while(true) {
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int port = HBaseTestingUtility.randomFreePort();
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InetSocketAddress addr = new InetSocketAddress(inetAddr, port);
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ServerSocket serverSocket = null;
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try {
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serverSocket = new ServerSocket();
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serverSocket.bind(addr);
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break;
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} catch (BindException ex) {
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//continue
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} finally {
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if (serverSocket != null) {
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serverSocket.close();
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}
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}
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}
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}
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/**
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* Creates a NIO ServerSocketChannel, and gets the ServerSocket from
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* there. Then binds the obtained socket.
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* This fails on Windows with Oracle JDK1.6.0u33, if the passed InetAddress is a
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* IPv6 address. Works on Oracle JDK 1.7.
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*/
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private void bindNIOServerSocket(InetAddress inetAddr) throws IOException {
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while (true) {
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int port = HBaseTestingUtility.randomFreePort();
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InetSocketAddress addr = new InetSocketAddress(inetAddr, port);
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ServerSocketChannel channel = null;
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ServerSocket serverSocket = null;
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try {
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channel = ServerSocketChannel.open();
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serverSocket = channel.socket();
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serverSocket.bind(addr); // This does not work
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break;
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} catch (BindException ex) {
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//continue
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} finally {
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if (serverSocket != null) {
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serverSocket.close();
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}
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if (channel != null) {
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channel.close();
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}
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}
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}
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}
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/**
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* Checks whether we are effected by the JDK issue on windows, and if so
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* ensures that we are running with preferIPv4Stack=true.
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*/
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@Test
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public void testServerSocket() throws IOException {
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byte[] addr = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
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InetAddress inetAddr = InetAddress.getByAddress(addr);
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try {
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bindServerSocket(inetAddr);
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bindNIOServerSocket(inetAddr);
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//if on *nix or windows JDK7, both will pass
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} catch(java.net.SocketException ex) {
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//On Windows JDK6, we will get expected exception:
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//java.net.SocketException: Address family not supported by protocol family
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//or java.net.SocketException: Protocol family not supported
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Assert.assertFalse(ex.getClass().isInstance(BindException.class));
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Assert.assertTrue(ex.getMessage().toLowerCase().contains("protocol family"));
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LOG.info("Received expected exception:");
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LOG.info(ex);
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//if this is the case, ensure that we are running on preferIPv4=true
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ensurePreferIPv4();
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}
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}
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/**
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* Checks whether we are running with java.net.preferIPv4Stack=true
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*/
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public void ensurePreferIPv4() throws IOException {
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InetAddress[] addrs = InetAddress.getAllByName("localhost");
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for (InetAddress addr : addrs) {
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LOG.info("resolved localhost as:" + addr);
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Assert.assertEquals(4, addr.getAddress().length); //ensure 4 byte ipv4 address
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}
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}
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/**
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* Tests whether every InetAddress we obtain by resolving can open a
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* ServerSocketChannel.
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*/
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@Test
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public void testServerSocketFromLocalhostResolution() throws IOException {
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InetAddress[] addrs = InetAddress.getAllByName("localhost");
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for (InetAddress addr : addrs) {
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LOG.info("resolved localhost as:" + addr);
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bindServerSocket(addr);
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bindNIOServerSocket(addr);
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}
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}
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public static void main(String[] args) throws Exception {
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TestIPv6NIOServerSocketChannel test = new TestIPv6NIOServerSocketChannel();
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test.testServerSocket();
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test.testServerSocketFromLocalhostResolution();
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}
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}
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31
pom.xml
31
pom.xml
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@ -1326,6 +1326,37 @@
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<build.platform>Mac_OS_X-${sun.arch.data.model}</build.platform>
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</properties>
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</profile>
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<profile>
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<id>os.windows</id>
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<activation>
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<os>
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<family>Windows</family>
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</os>
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</activation>
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<properties>
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<build.platform>cygwin</build.platform>
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</properties>
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<build>
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<pluginManagement>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<configuration>
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<argLine>-enableassertions -Xmx1900m -Djava.security.egd=file:/dev/./urandom -Djava.net.preferIPv4Stack=true</argLine>
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<systemProperties>
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<property>
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<name>java.net.preferIPv4Stack</name>
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<value>true</value>
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</property>
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</systemProperties>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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</profile>
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<!-- this profile should be activated for release builds -->
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<profile>
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<id>release</id>
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