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<html><head><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>6. Release 1.2.0 - 11/16/2004</title><link href="../docbook.css" rel="stylesheet" type="text/css"><meta content="DocBook XSL Stylesheets V1.67.2" name="generator"><link rel="start" href="index.html" title="Heritrix Release Notes"><link rel="up" href="index.html" title="Heritrix Release Notes"><link rel="prev" href="1_4_0.html" title="5. Release 1.4.0 - 04/28/2005"><link rel="next" href="1_0_4.html" title="7. Release 1.0.4 - 2004-09-22"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">6. Release 1.2.0 - 11/16/2004</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="1_4_0.html">Prev</a> </td><th align="center" width="60%"> </th><td align="right" width="20%"> <a accesskey="n" href="1_0_4.html">Next</a></td></tr></table><hr></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="1_2_0"></a>6. Release 1.2.0 - 11/16/2004</h2></div></div></div><div class="abstract"><p class="title"><b>Abstract</b></p><p>Added IP-based politeness, configurable URI-canonicalization, and mid-fetch abort. Lots of Bug fixes.</p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="1_2_0_limitations"></a>6.1. Known Limitations</h3></div></div></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="ibmjvm"></a>6.1.1. IBM JVM</h4></div></div></div><p>The IBM JVM generally is more performant than SUN JVMs. It also emits more detailed heap dumps. That said, new Heritrix 1.2.0 features may not work on the IBM JVM.</p><div class="sect4" lang="en"><div class="titlepage"><div><div><h5 class="title"><a name="ibmhttps"></a>6.1.1.1. HTTPS</h5></div></div></div><p>Heritrix 1.2.0 uses the new HttpClient 3.0x library which allows the setting of socket read timeouts. Connections to https sites fail if using the IBM JVM.</p><p>The IBM JVM 141 (cxia321411-20030930) NPEs setting the NoTcpDelay. <pre class="programlisting">java.lang.NullPointerException at com.ibm.jsse.bf.setTcpNoDelay(Unknown Source) at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:683) at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1328)</pre></p><p>Using the IBM JVM 142, its saying SSL connection not open when we go to use inputstreams: <pre class="programlisting">java.net.SocketException: Socket is not connected at java.net.Socket.getInputStream(Socket.java:726) at com.ibm.jsse.bs.getInputStream(Unknown Source) at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:715)⌨️ 快捷键说明
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