." Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. ." DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. ." ." This code is free software; you can redistribute it and/or modify it ." under the terms of the GNU General Public License version 2 only, as ." published by the Free Software Foundation. ." ." This code is distributed in the hope that it will be useful, but WITHOUT ." ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ." FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ." version 2 for more details (a copy is included in the LICENSE file that ." accompanied this code). ." ." You should have received a copy of the GNU General Public License version ." 2 along with this work; if not, write to the Free Software Foundation, ." Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. ." ." Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ." or visit www.oracle.com if you need additional information or have any ." questions. ." extcheck - Online Linux Manual PageSection : 1
Updated : 16 Mar 2012
Nameextcheck − A utility to detect jar conflicts extcheck detects version conflicts between a target jar file and currently installed extension jar files.
SYNOPSIS flextcheck [ −verbose ] targetfile.jar fl
DESCRIPTIONThe extcheck utility checks a specified Jar file for title and version conflicts with any extensions installed in the Java(TM) SDK. Before installing an extension, you can use this utility to see if the same or a more recent version of the extension is already installed. The extcheck utility compares the Specification−title and Specification−version headers in the manifest of the targetfile.jar file against the corresponding headers in all Jar files currently installed in the extension directory. (The extension directory is jre/lib/ext by default.) The extcheck utility compares version numbers in the same way as the method java.lang.Package.isCompatibleWith. If no conflict is detected, the return code is 0. If the manifest of any jar file in the extensions directory has the same Specification−title and the same or a newer Specification−version number, a non−zero error code is returned. A non−zero error code is also returned if targetfile.jar does not have the Specification−title or Specification−version attributes in its manifest.
OPTIONS−verbose  Lists Jar files in the extension directory as they are checked. Additionally, manifest attributes of the target jar file and any conflicting jar files are also reported. −Joption  Pass option to the Java virtual machine, where option is one of the options described on the reference page for the java(1). For example, −J−Xms48m sets the startup memory to 48 megabytes.
SEE ALSOjar(1) 0
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ERROR : Need New Coding :         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|1|"|." Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|2|"|." DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|3|"|." )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|4|"|." This code is free software; you can redistribute it and/or modify it )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|5|"|." under the terms of the GNU General Public License version 2 only, as )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|6|"|." published by the Free Software Foundation. )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|7|"|." )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|8|"|." This code is distributed in the hope that it will be useful, but WITHOUT )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|9|"|." ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|10|"|." FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|11|"|." version 2 for more details (a copy is included in the LICENSE file that )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|12|"|." accompanied this code). )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|13|"|." )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|14|"|." You should have received a copy of the GNU General Public License version )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|15|"|." 2 along with this work; if not, write to the Free Software Foundation, )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|16|"|." Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|17|"|." )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|18|"|." Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|19|"|." or visit www.oracle.com if you need additional information or have any )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|20|"|." questions. )         (parse_manual_page_|249|extcheck-java-1.7.0-openjdk.1|21|"|." )