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<img alt="Erlang logo" src="../../../../doc/erlang-logo.png"><br><small><a href="users_guide.html">User's Guide</a><br><a href="index.html">Reference Manual</a><br><a href="release_notes.html">Release Notes</a><br><a href="../pdf/jinterface-1.5.6.pdf">PDF</a><br><a href="../../../../doc/index.html">Top</a></small><p><strong>jinterface</strong><br><strong>Release Notes</strong><br><small>Version 1.5.6</small></p>
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<ul class="flipMenu" imagepath="../../../../doc/js/flipmenu"><li id="loadscrollpos" title="Jinterface Release Notes" expanded="true">Jinterface Release Notes<ul>
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<li title="Jinterface 1.5.6"><a href="notes.html#id61098">Jinterface 1.5.6</a></li>
<li title="Jinterface 1.5.5"><a href="notes.html#id57084">Jinterface 1.5.5</a></li>
<li title="Jinterface 1.5.4"><a href="notes.html#id57119">Jinterface 1.5.4</a></li>
<li title="Jinterface 1.5.3.2"><a href="notes.html#id57330">Jinterface 1.5.3.2</a></li>
<li title="Jinterface 1.5.3.1"><a href="notes.html#id57359">Jinterface 1.5.3.1</a></li>
<li title="Jinterface 1.5.3"><a href="notes.html#id58114">Jinterface 1.5.3</a></li>
<li title="Jinterface 1.5.2"><a href="notes.html#id58168">Jinterface 1.5.2</a></li>
<li title="Jinterface 1.5.1"><a href="notes.html#id58199">Jinterface 1.5.1</a></li>
<li title="Jinterface 1.5"><a href="notes.html#id61943">Jinterface 1.5</a></li>
<li title="Jinterface 1.4.2"><a href="notes.html#id61982">Jinterface 1.4.2</a></li>
<li title="Jinterface 1.4.1"><a href="notes.html#id62012">Jinterface 1.4.1</a></li>
<li title="Jinterface 1.4"><a href="notes.html#id62061">Jinterface 1.4</a></li>
<li title="Jinterface 1.3"><a href="notes.html#id56724">Jinterface 1.3</a></li>
<li title="Jinterface 1.2.1.2"><a href="notes.html#id56414">Jinterface 1.2.1.2</a></li>
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<h1>1 Jinterface Release Notes</h1>
<p>This document describes the changes made to the Jinterface application.</p>
<h3><a name="id61098">1.1
Jinterface 1.5.6</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
Correct spelling of registered (Thanks to Richard
Carlsson)</p>
<p>
Own Id: OTP-9925</p>
</li>
<li>
<p>
Java 1.5 has a bug where detecting codepoint offsets in
strings that are created by String.substring() gives
wrong results. The new implementation uses a different
method, avoinding the issue. (Thanks to Vlad Dumitrescu)</p>
<p>
Own Id: OTP-9927</p>
</li>
<li>
<p>
Improve error message when creating a too long
OtpErlangAtom. Also print the value that we tried to use
for the atom. (Thanks to Vlad Dumitrescu)</p>
<p>
Own Id: OTP-9928</p>
</li>
</ul>
<h3><a name="id57084">1.2
Jinterface 1.5.5</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
JInterface: improve OtpOutputStream buffer allocation</p>
<p>
Previously, the buffer was increased linearly by 2048
bytes. I now propose to use an exponential increase
function (similar to Javas ArrayList, e.g. always at
least +50%). This significantly increases performance of
e.g. doRPC for large parameters. (Thanks to Nico Kruber)</p>
<p>
Own Id: OTP-9806</p>
</li>
</ul>
<h3><a name="id57119">1.3
Jinterface 1.5.4</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
Some malformed distribution messages could cause VM to
crash, this is now corrected.</p>
<p>
Own Id: OTP-8993</p>
</li>
</ul>
<h3><a name="id57330">1.4
Jinterface 1.5.3.2</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
The OtpMbox class did not have a hash() method, which it
should have because it overrides equals().</p>
<p>
Own Id: OTP-8854</p>
</li>
</ul>
<h3><a name="id57359">1.5
Jinterface 1.5.3.1</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
An pom.xml file is now generated. (Thanks to Gabor
Liptak.)</p>
<p>
Own Id: OTP-8841</p>
</li>
</ul>
<h3><a name="id58114">1.6
Jinterface 1.5.3</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>The documentation is now possible to build in an open
source environment after a number of bugs are fixed and
some features are added in the documentation build
process. </p>
<p>- The arity calculation is updated.</p>
<p>- The module prefix used in the function names for
bif's are removed in the generated links so the links
will look like
"http://www.erlang.org/doc/man/erlang.html#append_element-2"
instead of
"http://www.erlang.org/doc/man/erlang.html#erlang:append_element-2".</p>
<p>- Enhanced the menu positioning in the html
documentation when a new page is loaded.</p>
<p>- A number of corrections in the generation of man
pages (thanks to Sergei Golovan)</p>
<p>- The legal notice is taken from the xml book file so
OTP's build process can be used for non OTP
applications.</p>
<p>
Own Id: OTP-8343</p>
</li>
</ul>
<h3><a name="id58168">1.7
Jinterface 1.5.2</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
The documentation is now built with open source tools
(xsltproc and fop) that exists on most platforms. One
visible change is that the frames are removed.</p>
<p>
Own Id: OTP-8201</p>
</li>
</ul>
<h3><a name="id58199">1.8
Jinterface 1.5.1</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
Many Erlang classes, e.g. OtpErlangRef, was missing an
implementation of the hashCode() method, making it futile
to put them in hash structures such as HashMap. Bug and
patch provided by Paul Guyot. We extended the patch to
all classes and improved (?) on the hash algorithm.</p>
<p>
Own Id: OTP-7899</p>
</li>
</ul>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
jinterface uses the new environment variable
ERL_EPMD_PORT the same way that erl, epmd and
erl_interface do since R13A.</p>
<p>
Own Id: OTP-7885</p>
</li>
</ul>
<h3><a name="id61943">1.9
Jinterface 1.5</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
A number of fixes and improvements from the ErlIDE group;
Vlad Dumitrescu and Jakob Cederlund: JDK 1.5 is now a
minimal requirement for building Jinterface. New method:
OtpEpmd.lookupNames. OtpErlangList is now iterable.
Non-proper lists are now allowed - you have to test if a
list is proper or not. Non-proper lists can also be
created. New methods: isProper, getHead, getTail and
getNthTail. The get tail methods creates a sublist object
that re-uses the original list. OtpErlangPid is now
Comparable. Empty atoms can now be constructed, a missing
feature pointed out by Sebastien Boisgerault on
erlang-questions.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-7832</p>
</li>
</ul>
<h3><a name="id61982">1.10
Jinterface 1.4.2</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
A bug when Jinterface did not detect remote node
disconnects has been corrected.</p>
<p>
Own Id: OTP-7624</p>
</li>
</ul>
<h3><a name="id62012">1.11
Jinterface 1.4.1</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
Jinterface has been fixed to use the loopback interface
when connecting to the Erlang Port Mapper Daemon - epmd.
This facilitates firewall configuration and saves
resources.</p>
<p>
Own Id: OTP-7103</p>
</li>
<li>
<p>Jinterface now refuses to connect to another node that
does not agree on the other node's name. This has been a
problem in that a connection was set up, but not used on
a following send, which caused a second erroneous
connection attempt to fail since the other (Erlang) node
rejects a connection due to name disagreement.</p>
<p>Problem reported and dissected by Alexander Lamb</p>
<p>
Own Id: OTP-7330</p>
</li>
</ul>
<h3><a name="id62061">1.12
Jinterface 1.4</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Jinterface has been updated to handle compressed
terms, bitstring, new (IEEE) floats and bignums. This has
caused a few incompatibilities.</p>
<p>com.ericsson.otp.erlang.OtpOutputStream now extends
java.io.ByteArrayOutputStream, previously
java.lang.Object, and hence the method size() now return
the number of bytes in the stream as dictated by the new
parent class and not the buffer length as before. The new
method length() returns what the old size() did return.
The method count() is deprecated as it returns the same
as the new size().</p>
<p>com.ericsson.otp.erlang.OtpErlangLong now can handle
larger values than 64-bit. Previously when larger than
64-bit integers were sent to a Jinterface node, it caused
an com.ericsson.otp.erlang.OtpDecodeException. Now the
integer is accepted, but the return value of longValue()
is silently truncated, as opposed to the return value of
intValue() that now and previously raises an
com.ericsson.otp.erlang.OtpRangeException for
unrepresentable values. The new methods isLong() and
isULong() can be used to determine if the value fits in a
long.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-6809</p>
</li>
</ul>
<h3><a name="id56724">1.13
Jinterface 1.3</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p><span class="code">OtpMbox.receive()</span> and <span class="code">OtpMbox.receive(long timeout)</span> can now throw
<span class="code">OtpErlangDecodeException</span> if the received message
can not be decoded. <span class="code">null</span> is now only returned from
<span class="code">OtpMbox.receive(long timeout)</span> if a timeout occurs.
<span class="code">OtpMbox.receive()</span> will never return <span class="code">null</span>.</p>
<p>*** POTENTIAL INCOMPATIBILITY ***</p>
<p>Own Id: OTP-3932 Aux Id: seq5196 </p>
</li>
<li>
<p>Strings longer than 65535 bytes were encoded wrong by
jinterface.</p>
<p>Own Id: OTP-4883 Aux Id: OTP-4865 </p>
</li>
<li>
<p>Misc bugfixes: </p>
<ul>
<li>
<p>A node pinging itself does no
longer cause the java program to hang.</p>
<p></p>
</li>
<li>
<p><span class="code">OtpMbox.close()</span> uses exit reason
<span class="code">'normal'</span> (atom) instead of <span class="code">"normal"</span>
(string).</p>
<p></p>
</li>
<li>
<p>Added <span class="code">OtpNode.closeMbox(OtpMbox mbox, OtpErlangObject reason)</span>.</p>
<p></p>
</li>
<li>
<p>Added <span class="code">OtpMbox.exit(OtpErlangObject reason)</span>
and <span class="code">OtpMbox.exit(String reason)</span>.</p>
<p></p>
</li>
<li>
<p>Added <span class="code">OtpMbox.exit(OtpErlangPid to, OtpErlangObject reason)</span>.</p>
<p></p>
</li>
<li>
<p><span class="code">OtpMbox.exit(OtpErlangPid to, String reason)</span>
is now equivalent to <span class="code">OtpMbox.exit(to, new OtpErlangAtom(reason))</span>.</p>
<p></p>
</li>
<li>Exit signals from an Erlang node can now contain
any erlang term as reason, not only atoms. </li>
</ul>
<p>Own Id: OTP-5088</p>
</li>
<li>
<p>For java versions 1.3.1 or later, <span class="code">localStatus</span> was
not sent to registered status handler when
<span class="code">OtpNode.close()</span> was called. This is now corrected.</p>
<p>Own Id: OTP-5169</p>
</li>
</ul>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Process identifiers and port identifiers have been
made more unique. Previously 18 bits were used as id in
the internal representation of process and port
identifiers. Now 28 bits are used. </p>
<p>The maximum
limit on the number of concurrently existing processes
due to the representation of pids has been increased to
268435456 processes. The same is true for ports. This
limit will at least on a 32-bit architecture be
impossible to reach due to memory shortage. </p>
<p><strong>NOTE:</strong> By default, the <span class="code">ERTS</span>, and the
<span class="code">erl_interface</span>, <span class="code">ei</span>, and <span class="code">jinterface</span>
libraries are now only guaranteed to be compatible with
other Erlang/OTP components from the same release. It is
possible to set each component in compatibility mode of
an earlier release, though. See the documentation for
respective component on how to set it in compatibility
mode. </p>
<p>*** POTENTIAL INCOMPATIBILITY ***</p>
<p>Own Id: OTP-4968 Aux Id: OTP-4196 </p>
</li>
</ul>
<h3><a name="id56414">1.14
Jinterface 1.2.1.2</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>Output of Java long was truncated to 32 bits. IDL long
long and unsigned long long could not be used in a struct
for the Java backend. All unsigned integer types for the
Java backend had broken marshalling for large values.
These bugs has now been fixed.</p>
<p>Own Id: OTP-4763 Aux Id: seq8024 </p>
</li>
</ul>
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