Thank you for your answer. I tried running:
 ant -d -v deployPortletApp -DportletApp=/home/portal/src_portlets/EvalPro2.war

but it failed at:
[assemblePortlet] Assembling '/home/portal/src_portlets/EvalPro2.war' to 
'/tmp/jasig'
BUILD FAILED
java.lang.NullPointerException
        at java.util.zip.ZipOutputStream.putNextEntry(ZipOutputStream.java:146)


I attached all the deployPortletApp running description. I use:

Apache Ant version 1.7.1 compiled on June 27 2008
Apache Maven 2.2.1 (r801777; 2009-08-06 22:16:01+0300)
Java version: 1.6.0_20
OS: Linux

Monica DOGARU
Ingenieur d'etudes de recherche et formation
Université Pierre & Marie Curie, Paris
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You are currently subscribed to [email protected] as: 
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http://www.ja-sig.org/wiki/display/JSG/uportal-dev
Apache Ant version 1.7.1 compiled on June 27 2008
Apache Ant version 1.7.1 compiled on June 27 2008
Buildfile: build.xml
Detected Java version: 1.6 in: /usr/lib/jvm/jdk1.6.0_20/jre
Detected OS: Linux
parsing buildfile /home/portal/uPortal/uPortal-3.2.1/build.xml with URI = 
file:/home/portal/uPortal/uPortal-3.2.1/build.xml
Project base dir set to: /home/portal/uPortal/uPortal-3.2.1
[antlib:org.apache.tools.ant] Could not load definitions from resource 
org/apache/tools/ant/antlib.xml. It could not be found.
[available] Found: build.properties
 [property] Loading Environment env.
 [property] Loading /home/portal/uPortal/uPortal-3.2.1/build.properties
    [mkdir] Skipping /tmp/jasig because it already exists.
    [chmod] Current OS is Linux
[available] Found: /home/portal/uPortal/apache-maven-2.2.1
[available] Unable to find /home/ubuntu/.ant/settings.xml
[available] Unable to find /home/ubuntu/.m2/settings.xml
[available] Found: /home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[available] Found: /home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
Importing file /home/portal/uPortal/uPortal-3.2.1/bootstrap/build_includes.xml 
from /home/portal/uPortal/uPortal-3.2.1/build.xml
parsing buildfile 
/home/portal/uPortal/uPortal-3.2.1/bootstrap/build_includes.xml with URI = 
file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/build_includes.xml
parsing buildfile 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/maven-ant-tasks-2.0.10.jar!/org/apache/maven/artifact/ant/antlib.xml
 with URI = 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/maven-ant-tasks-2.0.10.jar!/org/apache/maven/artifact/ant/antlib.xml
parsing buildfile 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/ant-contrib-1.0b3.jar!/net/sf/antcontrib/antlib.xml
 with URI = 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/ant-contrib-1.0b3.jar!/net/sf/antcontrib/antlib.xml
 [macrodef] creating macro  echo-path
 [macrodef] creating macro  echo-fileset
 [macrodef] creating macro  uportal-parent-macro
 [macrodef] creating macro  maven-artifact-macro
 [macrodef] creating macro  uportal-impl-macro
 [macrodef] creating macro  uportal-war-macro
 [macrodef] creating macro  uportal-portlets-overlay-macro
 [macrodef] creating macro  uportal-ear-macro
Build sequence for target(s) `deployPortletApp' is [checkForTomcat, 
deployPortletApp]
Complete build sequence is [checkForTomcat, deployPortletApp, javadoc, 
clean-shared, prodPrompt, ehcache-remote-debug, addstylesheet, initdb, 
compiletests, dist, initportal, delstylesheet, compile, runtests, db, 
install-parent-pom, hsql, deluser, all, modstylesheet, fastWarDeploy, 
clean-tomcat, db-import, crn-make-data-xml, i18n-db, crn-delete, help, 
db-hibernate-portal, regchantype, pubchan, md5passwd, mvn, db-hibernate, clean, 
deploy-war, crn-export, deploy-ear, crn-import, hsql-shutdown, deploy, 
db-hibernate-stats, dbtest, ]

checkForTomcat:
[available] Found directory: /home/portal/uPortal/apache-tomcat-6.0.24

deployPortletApp:
[available] Unable to find home/portal/src_portlets/EvalPro2.war
[available] Found: /home/portal/src_portlets/EvalPro2.war
[available] Unable to find /tmp/jasig/uportal-parent.pom-1046621303-marker
Project base dir set to: /home/portal/uPortal/uPortal-3.2.1
      [ant] calling target(s) [install-parent-pom] in build file 
/home/portal/uPortal/uPortal-3.2.1/build.xml
parsing buildfile /home/portal/uPortal/uPortal-3.2.1/build.xml with URI = 
file:/home/portal/uPortal/uPortal-3.2.1/build.xml
Project base dir set to: /home/portal/uPortal/uPortal-3.2.1
[available] Found: build.properties
 [property] Loading Environment env.
Override ignored for property "env.WINDOWID"
Override ignored for property "env.GPG_AGENT_INFO"
Override ignored for property "env.HISTCONTROL"
Override ignored for property "env.JAVA_HOME"
Override ignored for property "env.HOME"
Override ignored for property "env.SESSION_MANAGER"
Override ignored for property "env.SSH_AUTH_SOCK"
Override ignored for property "env.GNOME_KEYRING_PID"
Override ignored for property "env.XDG_SESSION_COOKIE"
Override ignored for property "env.LD_LIBRARY_PATH"
Override ignored for property "env.USERNAME"
Override ignored for property "env.PWD"
Override ignored for property "env.DESKTOP_STARTUP_ID"
Override ignored for property "env.GDMSESSION"
Override ignored for property "env.COLORTERM"
Override ignored for property "env.M2_HOME"
Override ignored for property "env.JAVA_OPTS"
Override ignored for property "env.USER"
Override ignored for property "env.TERM"
Override ignored for property "env.GDM_LANG"
Override ignored for property "env.GNOME_DESKTOP_SESSION_ID"
Override ignored for property "env.CATALINA_HOME"
Override ignored for property "env.GDM_XSERVER_LOCATION"
Override ignored for property "env.LESSOPEN"
Override ignored for property "env.LS_COLORS"
Override ignored for property "env.GNOME_KEYRING_SOCKET"
Override ignored for property "env.PATH"
Override ignored for property "env.XAUTHORITY"
Override ignored for property "env.NLSPATH"
Override ignored for property "env.OLDPWD"
Override ignored for property "env.JRE_HOME"
Override ignored for property "env.XDG_DATA_DIRS"
Override ignored for property "env.ANT_HOME"
Override ignored for property "env.XFILESEARCHPATH"
Override ignored for property "env.CATALINA_BASE"
Override ignored for property "env.DISPLAY"
Override ignored for property "env._"
Override ignored for property "env.SHLVL"
Override ignored for property "env.DBUS_SESSION_BUS_ADDRESS"
Override ignored for property "env.GTK_RC_FILES"
Override ignored for property "env.LESSCLOSE"
Override ignored for property "env.DESKTOP_SESSION"
Override ignored for property "env.SHELL"
Override ignored for property "env.WINDOWPATH"
Override ignored for property "env.LOGNAME"
Override ignored for property "env.LANG"
 [property] Loading /home/portal/uPortal/uPortal-3.2.1/build.properties
Override ignored for property "prodPrompt"
Override ignored for property "maven.home"
Override ignored for property "cleanShared"
Override ignored for property "removeExisting"
Override ignored for property "server.webapps"
Override ignored for property "server.base"
Override ignored for property "extractWars"
Override ignored for property "server.home"
Override ignored for property "jasig.tmpdir"
    [mkdir] Skipping /tmp/jasig because it already exists.
    [chmod] Current OS is Linux
Override ignored for property "parentPomInstallMarker.file"
[available] Found: /home/portal/uPortal/apache-maven-2.2.1
[available] Found: /home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
Override ignored for property "bootstrap.dir"
Override ignored for property "bootstrap-pom.dir"
Override ignored for property "uportal-impl.dir"
Override ignored for property "uportal-war.dir"
Override ignored for property "uportal-portlets-overlay.dir"
Override ignored for property "uportal-ear.dir"
Importing file /home/portal/uPortal/uPortal-3.2.1/bootstrap/build_includes.xml 
from /home/portal/uPortal/uPortal-3.2.1/build.xml
parsing buildfile 
/home/portal/uPortal/uPortal-3.2.1/bootstrap/build_includes.xml with URI = 
file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/build_includes.xml
Override ignored for property "imported.basedir"
parsing buildfile 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/maven-ant-tasks-2.0.10.jar!/org/apache/maven/artifact/ant/antlib.xml
 with URI = 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/maven-ant-tasks-2.0.10.jar!/org/apache/maven/artifact/ant/antlib.xml
Trying to override old definition of task urn:maven-artifact-ant:dependencies
Trying to override old definition of task urn:maven-artifact-ant:install
Trying to override old definition of task urn:maven-artifact-ant:deploy
Trying to override old definition of task 
urn:maven-artifact-ant:install-provider
Trying to override old definition of task urn:maven-artifact-ant:mvn
Trying to override old definition of datatype 
urn:maven-artifact-ant:localRepository
Trying to override old definition of datatype 
urn:maven-artifact-ant:remoteRepository
Trying to override old definition of datatype 
urn:maven-artifact-ant:authentication
Trying to override old definition of datatype urn:maven-artifact-ant:proxy
Trying to override old definition of task urn:maven-artifact-ant:pom
parsing buildfile 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/ant-contrib-1.0b3.jar!/net/sf/antcontrib/antlib.xml
 with URI = 
jar:file:/home/portal/uPortal/uPortal-3.2.1/bootstrap/lib/ant-contrib-1.0b3.jar!/net/sf/antcontrib/antlib.xml
Trying to override old definition of task propertycopy
Trying to override old definition of task shellscript
Trying to override old definition of task pathtofileset
Trying to override old definition of task runtarget
Trying to override old definition of task remoteant
Trying to override old definition of task propertyregex
Trying to override old definition of task assert
Trying to override old definition of task math
Trying to override old definition of task trycatch
Trying to override old definition of task antserver
Trying to override old definition of task antcallback
Trying to override old definition of task compilewithwalls
Trying to override old definition of task outofdate
Trying to override old definition of task osfamily
Trying to override old definition of task stopwatch
Trying to override old definition of task throw
Trying to override old definition of task antclipse
Trying to override old definition of task urlencode
Trying to override old definition of task timestampselector
Trying to override old definition of task foreach
Trying to override old definition of task if
Trying to override old definition of task propertyselector
Trying to override old definition of task sortlist
Trying to override old definition of task antfetch
Trying to override old definition of task post
Trying to override old definition of task forget
Trying to override old definition of task limit
Trying to override old definition of task switch
Trying to override old definition of task relentless
Trying to override old definition of task var
Trying to override old definition of task inifile
Trying to override old definition of task verifydesign
Trying to override old definition of task for
Trying to override old definition of datatype httpState
Trying to override old definition of datatype httpClient
Trying to override old definition of task getCookie
Trying to override old definition of task addCookie
Trying to override old definition of task clearCookies
Trying to override old definition of task addCredentials
Trying to override old definition of task clearCredentials
Trying to override old definition of task purgeExpiredCookies
Trying to override old definition of task postMethod
Trying to override old definition of task getMethod
Trying to override old definition of task headMethod
Trying to override old definition of task importurl
 [macrodef] creating macro  echo-path
 [macrodef] creating macro  echo-fileset
 [macrodef] creating macro  uportal-parent-macro
 [macrodef] creating macro  maven-artifact-macro
 [macrodef] creating macro  uportal-impl-macro
 [macrodef] creating macro  uportal-war-macro
 [macrodef] creating macro  uportal-portlets-overlay-macro
 [macrodef] creating macro  uportal-ear-macro
Build sequence for target(s) `install-parent-pom' is [install-parent-pom]
Complete build sequence is [install-parent-pom, javadoc, checkForTomcat, 
clean-shared, prodPrompt, ehcache-remote-debug, addstylesheet, initdb, 
compiletests, dist, initportal, delstylesheet, compile, runtests, db, hsql, 
deluser, all, modstylesheet, fastWarDeploy, clean-tomcat, db-import, 
deployPortletApp, crn-make-data-xml, i18n-db, crn-delete, help, 
db-hibernate-portal, regchantype, pubchan, md5passwd, mvn, db-hibernate, clean, 
deploy-war, crn-export, deploy-ear, crn-import, hsql-shutdown, deploy, 
db-hibernate-stats, dbtest, ]
      [ant] Entering /home/portal/uPortal/uPortal-3.2.1/build.xml...
Build sequence for target(s) `install-parent-pom' is [install-parent-pom]
Complete build sequence is [install-parent-pom, javadoc, checkForTomcat, 
clean-shared, prodPrompt, ehcache-remote-debug, addstylesheet, initdb, 
compiletests, dist, initportal, delstylesheet, compile, runtests, db, hsql, 
deluser, all, modstylesheet, fastWarDeploy, clean-tomcat, db-import, 
deployPortletApp, crn-make-data-xml, i18n-db, crn-delete, help, 
db-hibernate-portal, regchantype, pubchan, md5passwd, mvn, db-hibernate, clean, 
deploy-war, crn-export, deploy-ear, crn-import, hsql-shutdown, deploy, 
db-hibernate-stats, dbtest, ]

install-parent-pom:
[artifact:pom] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[artifact:pom] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[artifact:install] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[artifact:install] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[artifact:install] [INFO] Installing /home/portal/uPortal/uPortal-3.2.1/pom.xml 
to 
/home/ubuntu/.m2/repository/org/jasig/portal/uportal-parent/3.2.1/uportal-parent-3.2.1.pom
      [ant] Exiting /home/portal/uPortal/uPortal-3.2.1/build.xml.
    [touch] Creating /tmp/jasig/uportal-parent.pom-1046621303-marker
[artifact:dependencies] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[artifact:dependencies] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[artifact:dependencies] Maven Ant Tasks version: 2.0.10
[artifact:dependencies] Using local repository: /home/ubuntu/.m2/repository
[urn:maven-artifact-ant:pom] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[urn:maven-artifact-ant:pom] Loading Maven settings file: 
/home/portal/uPortal/apache-maven-2.2.1/conf/settings.xml
[artifact:dependencies] Resolving dependencies...
[artifact:dependencies] Using remote repositories:
  - id=central, url=http://repo1.maven.org/maven2, releases=enabled, 
snapshots=disabled
  - id=jasig-m2, url=http://developer.jasig.org/repo/content/repositories/m2, 
releases=enabled, snapshots=enabled
  - id=jasig-3rd-party, 
url=http://developer.jasig.org/repo/content/repositories/3rd-party, 
releases=enabled, snapshots=enabled
  - id=Codehaus Snapshots, url=http://snapshots.repository.codehaus.org/, 
releases=disabled, snapshots=enabled
  - id=apache.snapshots, 
url=http://people.apache.org/repo/m2-snapshot-repository, releases=disabled, 
snapshots=enabled
  - id=jasig-m2-snapshot, 
url=http://developer.jasig.org/repo/content/repositories/m2-snapshot, 
releases=disabled, snapshots=enabled
  - id=central, url=http://repo1.maven.org/maven2, releases=enabled, 
snapshots=disabled
org.jasig.portal:pluto-assembler:jar:3.2.1 (selected)
  org.apache.pluto:pluto-ant-tasks:jar:1.1.7:compile (selected)
    org.apache.pluto:pluto-util:jar:1.1.7:compile (applying version: 1.1.7;)
    org.apache.pluto:pluto-util:jar:1.1.7:compile (applying version: 1.1.7;)
    org.apache.pluto:pluto-util:jar:1.1.7:compile (selected)
      org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying 
version: 1.1.7;)
      org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying 
version: 1.1.7;)
      org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (selected)
      org.apache.pluto:pluto-descriptor-impl:jar:1.1.7:compile (applying 
version: 1.1.7;)
      org.apache.pluto:pluto-descriptor-impl:jar:1.1.7:compile (applying 
version: 1.1.7;)
      org.apache.pluto:pluto-descriptor-impl:jar:1.1.7:compile (selected)
        org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying 
version: 1.1.7;)
        org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying 
version: 1.1.7;)
        org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (removed - 
nearer found: 1.1.7)
        org.codehaus.castor:castor:jar:1.1.1:compile (selected)
        xerces:xercesImpl:jar:2.6.2:compile (applying version: 2.8.1;)
        xerces:xercesImpl:jar:2.8.1:compile (applying version: 2.8.1;)
        xerces:xercesImpl:jar:2.8.1:compile (selected)
          xml-apis:xml-apis:jar:1.3.03:compile (applying version: 1.0.b2;)
          xml-apis:xml-apis:jar:1.0.b2:compile (applying version: 1.0.b2;)
          xml-apis:xml-apis:jar:1.0.b2:compile (selected)
        commons-logging:commons-logging-api:jar:1.1:compile (applying version: 
1.1;)
        commons-logging:commons-logging-api:jar:1.1:compile (applying version: 
1.1;)
        commons-logging:commons-logging-api:jar:1.1:compile (selected)
      commons-cli:commons-cli:jar:1.0:compile (applying version: 1.2;)
      commons-cli:commons-cli:jar:1.2:compile (applying version: 1.2;)
      commons-cli:commons-cli:jar:1.2:compile (selected)
      commons-digester:commons-digester:jar:1.8:compile (selected)
        commons-beanutils:commons-beanutils:jar:1.7.0:compile (selected)
          commons-logging:commons-logging:jar:1.0.3:compile (applying version: 
1.1.1;)
          commons-logging:commons-logging:jar:1.1.1:compile (applying version: 
1.1.1;)
          commons-logging:commons-logging:jar:1.1.1:compile (selected)
        commons-logging:commons-logging:jar:1.1:compile (applying version: 
1.1.1;)
        commons-logging:commons-logging:jar:1.1.1:compile (applying version: 
1.1.1;)
        commons-logging:commons-logging:jar:1.1.1:compile (removed - nearer 
found: 1.1.1)
        commons-logging:commons-logging:jar:1.1.1:compile (selected)
      commons-logging:commons-logging-api:jar:1.1:compile (applying version: 
1.1;)
      commons-logging:commons-logging-api:jar:1.1:compile (applying version: 
1.1;)
      commons-logging:commons-logging-api:jar:1.1:compile (removed - nearer 
found: 1.1)
      commons-logging:commons-logging-api:jar:1.1:compile (selected)
      commons-io:commons-io:jar:1.3.1:compile (applying version: 1.4;)
      commons-io:commons-io:jar:1.4:compile (applying version: 1.4;)
      commons-io:commons-io:jar:1.4:compile (selected)
  org.apache.pluto:pluto-util:jar:1.1.7:compile (removed - nearer found: 1.1.7)
  org.apache.pluto:pluto-util:jar:1.1.7:compile (selected)
    org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying version: 
1.1.7;)
    org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying version: 
1.1.7;)
    org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (selected)
    org.apache.pluto:pluto-descriptor-impl:jar:1.1.7:compile (applying version: 
1.1.7;)
    org.apache.pluto:pluto-descriptor-impl:jar:1.1.7:compile (applying version: 
1.1.7;)
    org.apache.pluto:pluto-descriptor-impl:jar:1.1.7:compile (selected)
      org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying 
version: 1.1.7;)
      org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (applying 
version: 1.1.7;)
      org.apache.pluto:pluto-descriptor-api:jar:1.1.7:compile (removed - nearer 
found: 1.1.7)
      org.codehaus.castor:castor:jar:1.1.1:compile (selected)
      xerces:xercesImpl:jar:2.6.2:compile (applying version: 2.8.1;)
      xerces:xercesImpl:jar:2.8.1:compile (applying version: 2.8.1;)
      xerces:xercesImpl:jar:2.8.1:compile (selected)
        xml-apis:xml-apis:jar:1.3.03:compile (applying version: 1.0.b2;)
        xml-apis:xml-apis:jar:1.0.b2:compile (applying version: 1.0.b2;)
        xml-apis:xml-apis:jar:1.0.b2:compile (selected)
      commons-logging:commons-logging-api:jar:1.1:compile (applying version: 
1.1;)
      commons-logging:commons-logging-api:jar:1.1:compile (applying version: 
1.1;)
      commons-logging:commons-logging-api:jar:1.1:compile (selected)
    commons-cli:commons-cli:jar:1.0:compile (applying version: 1.2;)
    commons-cli:commons-cli:jar:1.2:compile (applying version: 1.2;)
    commons-cli:commons-cli:jar:1.2:compile (selected)
    commons-digester:commons-digester:jar:1.8:compile (selected)
      commons-beanutils:commons-beanutils:jar:1.7.0:compile (selected)
        commons-logging:commons-logging:jar:1.0.3:compile (applying version: 
1.1.1;)
        commons-logging:commons-logging:jar:1.1.1:compile (applying version: 
1.1.1;)
        commons-logging:commons-logging:jar:1.1.1:compile (selected)
      commons-logging:commons-logging:jar:1.1:compile (applying version: 1.1.1;)
      commons-logging:commons-logging:jar:1.1.1:compile (applying version: 
1.1.1;)
      commons-logging:commons-logging:jar:1.1.1:compile (removed - nearer 
found: 1.1.1)
      commons-logging:commons-logging:jar:1.1.1:compile (selected)
    commons-logging:commons-logging-api:jar:1.1:compile (applying version: 1.1;)
    commons-logging:commons-logging-api:jar:1.1:compile (applying version: 1.1;)
    commons-logging:commons-logging-api:jar:1.1:compile (removed - nearer 
found: 1.1)
    commons-logging:commons-logging-api:jar:1.1:compile (selected)
    commons-io:commons-io:jar:1.3.1:compile (applying version: 1.4;)
    commons-io:commons-io:jar:1.4:compile (applying version: 1.4;)
    commons-io:commons-io:jar:1.4:compile (selected)
[assemblePortlet] Assembling '/home/portal/src_portlets/EvalPro2.war' to 
'/tmp/jasig'

BUILD FAILED
java.lang.NullPointerException
        at java.util.zip.ZipOutputStream.putNextEntry(ZipOutputStream.java:146)
        at java.util.jar.JarOutputStream.putNextEntry(JarOutputStream.java:92)
        at 
org.apache.pluto.util.assemble.io.JarStreamingAssembly.assembleStream(JarStreamingAssembly.java:137)
        at 
org.apache.pluto.util.assemble.war.WarAssembler.assembleWar(WarAssembler.java:77)
        at 
org.apache.pluto.util.assemble.war.WarAssembler.assembleInternal(WarAssembler.java:53)
        at 
org.apache.pluto.util.assemble.AbstractArchiveAssembler.assemble(AbstractArchiveAssembler.java:87)
        at org.apache.pluto.ant.AssembleTask.execute(AssembleTask.java:222)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
        at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
        at org.apache.tools.ant.Task.perform(Task.java:348)
        at org.apache.tools.ant.Target.execute(Target.java:357)
        at org.apache.tools.ant.Target.performTasks(Target.java:385)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
        at 
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1189)
        at org.apache.tools.ant.Main.runBuild(Main.java:758)
        at org.apache.tools.ant.Main.startAnt(Main.java:217)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)

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