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| author |   hongbotian <hongbo.tianhongbo@huawei.com> | 2015-11-30 03:10:21 -0500 |
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| committer | hongbotian <hongbo.tianhongbo@huawei.com> | 2015-11-30 03:10:21 -0500 |
| commit | c0b7206652b2852bc574694e7ba07ba1c2acdc00 (patch) | |
| tree | 5cb95cb0e19e03610525903df46279df2c3b7eb1 /rubbos/app/tomcat-connectors-1.2.32-src/docs/miscellaneous/faq.html | |
| parent | b6d3d6e668b793220f2d3af1bc3e828553dc3fe6 (diff) | |
delete app
Change-Id: Id4c572809969ebe89e946e88063eaed262cff3f2
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
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| -rw-r--r-- | rubbos/app/tomcat-connectors-1.2.32-src/docs/miscellaneous/faq.html | 281 |
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diff --git a/rubbos/app/tomcat-connectors-1.2.32-src/docs/miscellaneous/faq.html b/rubbos/app/tomcat-connectors-1.2.32-src/docs/miscellaneous/faq.html deleted file mode 100644 index 92bdfb2c..00000000 --- a/rubbos/app/tomcat-connectors-1.2.32-src/docs/miscellaneous/faq.html +++ /dev/null @@ -1,281 +0,0 @@ -<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>The Apache Tomcat Connector - Miscellaneous Documentation - FAQ</title><meta name="author" value="Henri Gomez"><meta name="email" value="hgomez@apache.org"><link href="../style.css" type="text/css" rel="stylesheet"></head><body bgcolor="#ffffff" text="#000000" link="#525D76" alink="#525D76" vlink="#525D76"><table border="0" width="100%" cellspacing="4"><!--PAGE HEADER--><tr><td colspan="2"><!--TOMCAT LOGO--><a href="http://tomcat.apache.org/"><img src="../images/tomcat.gif" align="left" alt="Apache Tomcat" border="0"></a><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="http://www.apache.org/images/asf-logo.gif" align="right" alt="Apache Logo" border="0"></a></td></tr><!--HEADER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><tr><!--LEFT SIDE NAVIGATION--><td width="20%" valign="top" nowrap="true"><p><strong>Links</strong></p><ul><li><a href="../index.html">Docs Home</a></li></ul><p><strong>Reference Guide</strong></p><ul><li><a href="../reference/workers.html">workers.properties</a></li><li><a href="../reference/uriworkermap.html">uriworkermap.properties</a></li><li><a href="../reference/status.html">Status Worker</a></li><li><a href="../reference/apache.html">Apache HTTP Server</a></li><li><a href="../reference/iis.html">IIS</a></li></ul><p><strong>Generic HowTo</strong></p><ul><li><a href="../generic_howto/quick.html">For the impatient</a></li><li><a href="../generic_howto/workers.html">All about workers</a></li><li><a href="../generic_howto/timeouts.html">Timeouts</a></li><li><a href="../generic_howto/loadbalancers.html">Load Balancing</a></li><li><a href="../generic_howto/proxy.html">Reverse Proxy</a></li></ul><p><strong>Webserver HowTo</strong></p><ul><li><a href="../webserver_howto/apache.html">Apache HTTP Server</a></li><li><a href="../webserver_howto/iis.html">IIS</a></li><li><a href="../webserver_howto/nes.html">Netscape/SunOne/Sun</a></li></ul><p><strong>AJP Protocol Reference</strong></p><ul><li><a href="../ajp/ajpv13a.html">AJPv13</a></li><li><a href="../ajp/ajpv13ext.html">AJPv13 Extension Proposal</a></li></ul><p><strong>Miscellaneous Documentation</strong></p><ul><li><a href="../miscellaneous/faq.html">Frequently asked questions</a></li><li><a href="../miscellaneous/changelog.html">Changelog</a></li><li><a href="http://issues.apache.org/bugzilla/buglist.cgi?query_format=advanced&short_desc_type=allwordssubstr&short_desc=&product=Tomcat+Connectors&long_desc_type=substring&long_desc=&bug_file_loc_type=allwordssubstr&bug_file_loc=&keywords_type=allwords&keywords=&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&emailassigned_to1=1&emailtype1=substring&email1=&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailtype2=substring&email2=&bugidtype=include&bug_id=&votes=&chfieldfrom=&chfieldto=Now&chfieldvalue=&cmdtype=doit&order=Reuse+same+sort+as+last+time&field0-0-0=noop&type0-0-0=noop&value0-0-0=">Current Tomcat Connectors bugs</a></li><li><a href="../miscellaneous/doccontrib.html">Contribute documentation</a></li><li><a href="../miscellaneous/jkstatustasks.html">JK Status Ant Tasks</a></li><li><a href="../miscellaneous/reporttools.html">Reporting Tools</a></li><li><a href="http://tomcat.apache.org/connectors-doc-archive/jk2/index.html">Old JK/JK2 documentation</a></li></ul><p><strong>News</strong></p><ul><li><a href="../news/20110701.html">2011</a></li><li><a href="../news/20100101.html">2010</a></li><li><a href="../news/20090301.html">2009</a></li><li><a href="../news/20081001.html">2008</a></li><li><a href="../news/20070301.html">2007</a></li><li><a href="../news/20060101.html">2006</a></li><li><a href="../news/20050101.html">2005</a></li><li><a href="../news/20041100.html">2004</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left"><table border="0" width="100%" cellspacing="4"><tr><td align="left" valign="top"><h1>The Apache Tomcat Connector - Miscellaneous Documentation</h1><h2>FAQ</h2></td><td align="right" valign="top" nowrap="true"><small><a href="printer/faq.html"><img src="../images/printer.gif" border="0" alt="Printer Friendly Version"><br>print-friendly<br>version - </a></small></td></tr></table><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="General"><strong>General</strong></a></font></td></tr><tr><td><blockquote> -<p> -General Informations and FAQ about JK -</p> -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Where can I get help/support for JK ?"><strong>Where can I get help/support for JK ?</strong></a></font></td></tr><tr><td><blockquote> -<p> -The primary mechanism for support is through the JK -documentation included in the doc directory. -Documentation is also available on the Apache Tomcat web site devoted to the -<a href="http://tomcat.apache.org/connectors-doc/"> -Apache Tomcat Connectors Project</a> -For additional help, the best resource is the Tomcat Users Discussion list. -You should start by searching -<a href="http://mail-archives.apache.org/mod_mbox/tomcat-users/"> -the mail list archive</a> -before you post questions to the list. -If you are unable to locate the answer to your question in the archive, -you can post questions about JK to the user list for assistance. -Make sure that you include the version of your Webserver, -that you are using as well as the platform you are running on -and go -<a href="http://tomcat.apache.org/lists.html"> -here</a> -to determine how to subscribe to tomcat mailing list. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="I can't find JK anywhere. Where is it?"><strong>I can't find JK anywhere. Where is it?</strong></a></font></td></tr><tr><td><blockquote> -<p> -Now that JK moved to the <b>tomcat-connectors</b> repository, -the source and the binaries for JK can be downloaded from a mirror at the -<a href="http://tomcat.apache.org/download-connectors.cgi"> -Tomcat Connectors (mod_jk, mod_jk2) Downloads</a> page. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="What's the difference between JK and mod_jk ?"><strong>What's the difference between JK and mod_jk ?</strong></a></font></td></tr><tr><td><blockquote> -<br> -<p> -<b>JK</b> is a project covering web-servers to Tomcat connectors, -whereas <b>mod_jk</b> is the <a href="../webserver_howto/apache.html">Apache module</a> developed in JK. -</p> - -<p> -<a href="../webserver_howto/iis.html">IIS webserver</a>support is implemented on JK, using a redirector -called <b>isapi redirector</b>. -</p> - -<p> -<a href="../webserver_howto/nes.html">Netscape/SunONE/Sun webserver</a>webserver support is implemented on JK, using a redirector -called <b>nsapi redirector</b>. -</p> - -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Where can I get more information ?"><strong>Where can I get more information ?</strong></a></font></td></tr><tr><td><blockquote> -<p> -For <b>JK 1.2.x</b>, you should read : -</p> - -<ul> - -<li> -<a href="../generic_howto/quick.html">For the impatient</a> -</li> - -<li> -<a href="../webserver_howto/apache.html">Apache and JK</a> -</li> - -<li> -<a href="../webserver_howto/iis.html">IIS and JK</a> -</li> - -<li> -<a href="../webserver_howto/nes.html">Netscape/SunONE/Sun and JK</a> -</li> - -<li> -<a href="../generic_howto/workers.html">Workers configuration</a> -</li> -</ul> - -<p> -For more detailed information, have a look at the Reference Guide. -You could also try searching the mailing list archives for "JK" or look at the source. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Which protocol should I use? Ajp12 or Ajp13?"><strong>Which protocol should I use? Ajp12 or Ajp13?</strong></a></font></td></tr><tr><td><blockquote> -<p> -<a href="../ajp/ajpv13a.html">Ajp13</a> is a newer protocol, it's faster, and it works better with SSL. -You almost certainly want to use it now that <strong>ajp12 is deprecated</strong>. -</p> -<p> -Also ajp13 is supported by all Apache Tomcat including 3.2.x , 3.3.x, 4.0.x, 4.1.x, 5.0.x, 5.5.x -and the new tomcat 6. -</p> - -<p> -Others Servlet engines like <b>jetty</b> have support for Ajp13. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="I've got a firewall between my web server and Tomcat which drops ajp13 connections after some time"><strong>I've got a firewall between my web server and Tomcat which drops ajp13 connections after some time</strong></a></font></td></tr><tr><td><blockquote> -<p> -Ajp13 uses persistant connections where the traffic could be null if there is no request to be sent to Tomcat. -Firewalls use to drop inactive connections and will make your web server and Tomcat think the connection is valid. -</p> -<p> -Starting with JK 1.2.0, a <b>socket_keepalive</b> property as been added to ajp13 settings, and you should take a look at -it in <a href="../generic_howto/workers.html">Workers HowTo</a> and -<a href="../reference/workers.html">workers.properties reference</a>. -If nothing else helps, you can try <b>JkOptions +DisableReuse</b>, but this will have strong performance implications. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Under heavy load, I've got many threads in Tomcat even if my Apache Web Server handles much of the load"><strong>Under heavy load, I've got many threads in Tomcat even if my Apache Web Server handles much of the load</strong></a></font></td></tr><tr><td><blockquote> -<p> -Under heavy load, Apache Web Server creates many children to handle the load, -which will in turn create many connections -to Tomcat to forward the requests they should handle. -Apache Web Server will normally kill the children/threads when the load decreases. -But if the load is still there and even if only Apache handles the requests, -ie static contents, the children are kept and with them all the ajp13 connections, -even if they are no more used. -</p> -<p> -To close connections after some time of inactivity you can use <b>connection_pool_timeout</b>, -for more informations refer to <a href="../reference/workers.html">workers.properties reference</a>. -</p> -</blockquote></td></tr></table> - -</blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Apache"><strong>Apache</strong></a></font></td></tr><tr><td><blockquote> -<p> -Informations and FAQ about mod_jk and Apache Web Servers. -</p> -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Whenever I restart Tomcat, Apache locks up!"><strong>Whenever I restart Tomcat, Apache locks up!</strong></a></font></td></tr><tr><td><blockquote> -<p> -The Ajp13 protocol keeps an open socket between Tomcat and Apache. -Release of mod_jk present in J-T-C handles the network failure. -But with very ancient releases of mod_jk, you may have to restart Apache as well. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Why do there exist two files mod_jk.so (-eapi ad -noeapi) in download directories for Apache 1.3?"><strong>Why do there exist two files mod_jk.so (-eapi ad -noeapi) in download directories for Apache 1.3?</strong></a></font></td></tr><tr><td><blockquote> -<p> -Many versions of Apache use a modified API, known at Extended API, developed for use with the -<a href="http://www.modssl.org">mod_ssl module</a>. Starting with Apache 2.0 there is no more difference. -</p> - -<p> -For example, Apache 1.3 present in certains recent Linux distributions include the -<b>mod_ssl</b> module. -</p> - -<p> -So if you got such 'Extended Apache', you need to use <b>mod_jk.so-eapi</b>. -</p> - -<p> -You should use <b>mod_jk.so-noeapi</b> only for 'Standard Apache' (ie without mod_ssl). -</p> - -<p> -It's wise to avoid using EAPI modules on STD API Apache or to use standard API modules on EAPI Apache. -Allways be sure to have the <b>mod_jk.so</b> witch match your version of Apache -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="What's that message about 'garbled DSO ?'"><strong>What's that message about 'garbled DSO ?'</strong></a></font></td></tr><tr><td><blockquote> -<p> -It's related to Apache EAPI, the message <b class="code">'mod_jk.so is garbled - perhaps this is not an Apache module DSO ?'</b> -just told you, that your're trying to install a mod_jk.so DSO module that was compiled on an Apache using EAPI, -like apache-mod_ssl or apache from Redhat distro 6.2/7.0 but your system use the standard apache with normal API. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="And the message about 'module might crash under EAPI!"><strong>And the message about 'module might crash under EAPI!</strong></a></font></td></tr><tr><td><blockquote> -<p> -Also related to EAPI, the message <b class="code">'[warn] Loaded DSO /usr/lib/apache/mod_jk.so uses plain Apache 1.3 API, -this module might crash under EAPI! (please recompile it with -DEAPI)'</b>, the mod_jk.so was compiled under normal -Apache with standard API and you try to install the module on an Apache using EAPI. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="APXS is getting an error during the build of mod_jk, like rc=0 or rc=255. I tried all of the steps in the build section, what do I do now ?"><strong>APXS is getting an error during the build of mod_jk, like rc=0 or rc=255. I tried all of the steps in the build section, what do I do now ?</strong></a></font></td></tr><tr><td><blockquote> -<p> -APXS is a Perl script that is created when you build the Apache web server from source. -Chances are that if you are getting these errors and you obtained Apache as a binary distribution, -that APXS is not configured correctly for your system. -Your best bet is to get the Apache source from http://httpd.apache.org and build it yourself. -Use the following for a basic build (read the Apache docs for other options): -<p class="screen"><div align="left"><table width="80%" border="1" cellspacing="0" cellpadding="2" bgcolor="#000000"><tr><td bgcolor="#000000" align="left"><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen">cd /usr/local/src</b></nobr></code><br><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen">gzip -dc apache_1.3.19.tar.gz|tar xvf -</b></nobr></code><br><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen">cd apache_1.3.19</b></nobr></code><br><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen">./configure --prefix=/usr/local/apache \</b></nobr></code><br><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen"> --enable-module=most \</b></nobr></code><br><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen"> --enable-shared=max</b></nobr></code><br><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen">make</b></nobr></code><br><code><nobr><em class="screen">[user@host] ~ $ </em><b class="screen">make install</b></nobr></code><br></td></tr></table></div></p> -</p> -<p> -Note: The above steps assume that you downloaded the Apache source and placed it in your /usr/local/src directory. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Apache 2.0 complains about incorrect module version"><strong>Apache 2.0 complains about incorrect module version</strong></a></font></td></tr><tr><td><blockquote> -<p> -Since Apache 2.0 API still change often, the Apache 2.0 teams decide to put in headers of compiled modules the -Apache 2.0 version used to compile the module. This check is called Magic Module Number bump. -</p> -<p> -At start time Apache 2.0 check that version in modules headers and stop if it detect that a module was compiled -for another Apache 2.0 version. As such you should allways use modules compiled for the same Apache 2.0 version. -This check may be removed if the future. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Does it work for Apache 2.2?"><strong>Does it work for Apache 2.2?</strong></a></font></td></tr><tr><td><blockquote> -<p> -mod_jk works well with Apache 2.2. You need a binary module compiled for version 2.2 of the Apache web server. -A binary compiled for version 2.0 will not work. -</p> -<p> -Important parts of the functionality of mod_jk have been reimplemented as Apache httpd modules mod_proxy_ajp -and mod_proxy_balancer. These are part of the standard distributoin of Apache 2.2. The new modules do not contain -all features of mod_jk, but you get them automatically with every Apache 2.2. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="JNI doesn't work with Apache 1.3"><strong>JNI doesn't work with Apache 1.3</strong></a></font></td></tr><tr><td><blockquote> -<p><font color="#ff0000">JNI workers have been deprecated. They will likely not work. Do not use them.</font></p> -<p> -JNI support requires a multi-threaded environment which is not the general case for Apache 1.3. -You should verify if Apache 1.3 has been build with thread support and if not you could add the -the pthreads library to your <b>httpd.conf</b> file. -</p> - -<div class="example"><pre> - # Add pthread to Apache in httpd.conf - LoadModule "/usr/lib/libpthreads.so" -</pre></div> - -<p> -Also keep in mind that JNI is suited for multi-threaded servers and you should consider upgrading -to Apache 2.x to support JNI. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="JNI report that JVM couldn't be started under Linux"><strong>JNI report that JVM couldn't be started under Linux</strong></a></font></td></tr><tr><td><blockquote> -<p><font color="#ff0000">JNI workers have been deprecated. They will likely not work. Do not use them.</font></p> -<p> -Under Linux, you should set some environment variables BEFORE launching your Apache server : -</p> - -<p class="screen"><div align="left"><table width="80%" border="1" cellspacing="0" cellpadding="2" bgcolor="#000000"><tr><td bgcolor="#000000" align="left"><code class="screen"><nobr>export LD_LIBRARY_PATH=$jre/bin:$jre/bin/classic:$LD_LIBRARY_PATH</nobr></code><br></td></tr></table></div></p> - -<p> -Also some Linux distributions have enabled a GLIBC feature called 'floating stacks' which may not works with kernel -less than 2.4.10 on SMP machines. You should disable floating stacks by exporting an environment variable : -</p> - -<p class="screen"><div align="left"><table width="80%" border="1" cellspacing="0" cellpadding="2" bgcolor="#000000"><tr><td bgcolor="#000000" align="left"><code class="screen"><nobr>export LD_ASSUME_KERNEL=2.2.5</nobr></code><br></td></tr></table></div></p> - -<p> -You could have to update your service scripts, ie <b>/etc/rc.d/init.d/httpd</b>, to set these env vars -before your httpd server starts. -</p> -</blockquote></td></tr></table> - -<table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Mixed errors when building via configure"><strong>Mixed errors when building via configure</strong></a></font></td></tr><tr><td><blockquote> -<p> -configure assume you have some GNU tools already installed and configured for your system, and ad minima <b>libtool</b>. -</p> -<p> -Also some systems may have mixed cc and gcc setup which may make you puzzled when trying to link an Apache built with native -c compiler with a jk/jk2 build with gcc. -</p> -<p> -In case the make processing doesn't work as expected, you should use a GNU make <b>gmake</b>. -</p> -</blockquote></td></tr></table> - -</blockquote></td></tr></table></td></tr><!--FOOTER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><!--PAGE FOOTER--><tr><td colspan="2"><div align="center"><font color="#525D76" size="-1"><em> - Copyright © 1999-2011, Apache Software Foundation - </em></font></div></td></tr></table></body></html>
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