Play框架在启动时挂起：“正在加载项目定义”
Play框架在启动时挂起：“正在加载项目定义”
提问于 2012-07-07 16:34:53
我刚刚开始使用Play Framework。我已经下载并安装了play，并创建了一个示例java应用程序。当我试图在应用程序目录中启动play console时，它挂起在“加载项目定义”。
PS C:\dev\play\javatest> play.bat
Getting org.scala-sbt sbt_2.9.1 0.11.3 ...
:: retrieving :: org.scala-sbt#boot-app
confs: [default]
37 artifacts copied, 0 already retrieved (7245kB/283ms)
[info] Loading project definition from C:\dev\play\myFirstApp\project当我尝试运行Scala应用程序时，我得到了一条关于它的消息，正在等待锁定：
PS C:\dev\play\scalatest> play
[info] Loading project definition from C:\dev\play\test1\project
Waiting for lock on C:\lib\play\repository\.sbt.ivy.lock to be available...运行Windows7，JDK 1.7.0_05和Play Framework2.0.2。有什么想法吗？
回答 3
Stack Overflow用户
回答已采纳
发布于 2012-09-26 23:20:30
我刚刚用Play 2亲身体验了一下，结果发现它并不是真的挂起来了，它只是拉着一个专家下载互联网而已。要验证这是否与您遇到的行为相同，请编辑project/plugins.sbt并替换：
logLevel := Level.Warn使用
logLevel := Level.Debug(虽然我是在OSX上构建的，但我想您在Windows上也会遇到类似的输出。)
Stack Overflow用户
发布于 2014-07-24 23:58:59
在此补充一下现有的答案，
在我从Play 2.2x升级到Play 2.3.x后，我也看到了这种行为(参见MigrationGuide )
我正在调试，如下所示。
在Linux上，转到项目文件夹，然后：
$ bash -x `which sbt`
.... OUTPUT SKIPPED....
++ (( 128 < 512 ))
++ local 'common_opts=-Xms1024m -Xmx1024m -XX:ReservedCodeCacheSize=128m'
++ [[ 1.7.0_55 < 1.8 ]]
++ local perm=256
++ echo '-Xms1024m -Xmx1024m -XX:ReservedCodeCacheSize=128m -XX:MaxPermSize=256m'
+ execRunner java -Xms1024m -Xmx1024m -XX:ReservedCodeCacheSize=128m -XX:MaxPermSize=256m -jar /usr/share/sbt-launcher-packaging/bin/sbt-launch.jar
+ [[ -n '' ]]
+ [[ -n '' ]]
+ java -Xms1024m -Xmx1024m -XX:ReservedCodeCacheSize=128m -XX:MaxPermSize=256m -jar /usr/share/sbt-launcher-packaging/bin/sbt-launch.jar记下最后一行的命令，取消当前进程Ctrl+C，并执行它，将-verbose选项添加到java
java -verbose -Xms1024m -Xmx1024m -XX:ReservedCodeCacheSize=128m -XX:MaxPermSize=256m -jar /usr/share/sbt-launcher-packaging/bin/sbt-launch.jar最后，我还在project/plugins.sbt中添加了logLevel := Level.Debug。
然而，它一直给出这样的输出：
.... OUTPUT SKIPPED....
info] [SUCCESSFUL ] org.apache.maven.doxia#doxia-sink-api;1.1!doxia-sink-api.jar (2065ms)
[debug] tried http://repo.typesafe.com/typesafe/ivy-releases/org.apache.maven.doxia/doxia-logging-api/1.1/jars/doxia-logging-api.jar
[debug] CLIENT ERROR: Not Found url=http://repo.typesafe.com/typesafe/ivy-releases/org.apache.maven.doxia/doxia-logging-api/1.1/jars/doxia-logging-api.jar
[debug] tried http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/org.apache.maven.doxia/doxia-logging-api/1.1/jars/doxia-logging-api.jar
[debug] CLIENT ERROR: Not Found url=http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/org.apache.maven.doxia/doxia-logging-api/1.1/jars/doxia-logging-api.jar
[debug] tried /home/saleem/.ivy2/local/org.apache.maven.doxia/doxia-logging-api/1.1/jars/doxia-logging-api.jar
[debug] tried http://repo1.maven.org/maven2/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar
[info] downloading http://repo1.maven.org/maven2/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar ...
[debug] public: downloading http://repo1.maven.org/maven2/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar
[debug] public: downloading http://repo1.maven.org/maven2/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar.sha1
[debug] sha1 OK for http://repo1.maven.org/maven2/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar
[info] [SUCCESSFUL ] org.apache.maven.doxia#doxia-logging-api;1.1!doxia-logging-api.jar (3997ms)
[debug] tried http://repo.typesafe.com/typesafe/ivy-releases/org.apache.maven/maven-plugin-registry/2.2.1/jars/maven-plugin-registry.jar
[debug] CLIENT ERROR: Not Found url=http://repo.typesafe.com/typesafe/ivy-releases/org.apache.maven/maven-plugin-registry/2.2.1/jars/maven-plugin-registry.jar
[debug] tried http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/org.apache.maven/maven-plugin-registry/2.2.1/jars/maven-plugin-registry.jar
[debug] CLIENT ERROR: Not Found url=http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/org.apache.maven/maven-plugin-registry/2.2.1/jars/maven-plugin-registry.jar
[debug] tried /home/saleem/.ivy2/local/org.apache.maven/maven-plugin-registry/2.2.1/jars/maven-plugin-registry.jar
[debug] tried http://repo1.maven.org/maven2/org/apache/maven/maven-plugin-registry/2.2.1/maven-plugin-registry-2.2.1.jar
[info] downloading http://repo1.maven.org/maven2/org/apache/maven/maven-plugin-registry/2.2.1/maven-plugin-registry-2.2.1.jar ...
[debug] public: downloading http://repo1.maven.org/maven2/org/apache/maven/maven-plugin-registry/2.2.1/maven-plugin-registry-2.2.1.jar
[debug] public: downloading http://repo1.maven.org/maven2/org/apache/maven/maven-plugin-registry/2.2.1/maven-plugin-registry-2.2.1.jar.sha1
[debug] sha1 OK for http://repo1.maven.org/maven2/org/apache/maven/maven-plugin-registry/2.2.1/maven-plugin-registry-2.2.1.jar
[info] [SUCCESSFUL ] org.apache.maven#maven-plugin-registry;2.2.1!maven-plugin-registry.jar (2025ms)
[debug] tried http://repo.typesafe.com/typesafe/ivy-releases/backport-util-concurrent/backport-util-concurrent/3.1/jars/backport-util-concurrent.jar
[debug] CLIENT ERROR: Not Found url=http://repo.typesafe.com/typesafe/ivy-releases/backport-util-concurrent/backport-util-concurrent/3.1/jars/backport-util-concurrent.jar
[debug] tried http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/backport-util-concurrent/backport-util-concurrent/3.1/jars/backport-util-concurrent.jar
[debug] CLIENT ERROR: Not Found url=http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/backport-util-concurrent/backport-util-concurrent/3.1/jars/backport-util-concurrent.jar
[debug] tried /home/saleem/.ivy2/local/backport-util-concurrent/backport-util-concurrent/3.1/jars/backport-util-concurrent.jar
[debug] tried http://repo1.maven.org/maven2/backport-util-concurrent/backport-util-concurrent/3.1/backport-util-concurrent-3.1.jar
[info] downloading http://repo1.maven.org/maven2/backport-util-concurrent/backport-util-concurrent/3.1/backport-util-concurrent-3.1.jar ...
[debug] public: downloading http://repo1.maven.org/maven2/backport-util-concurrent/backport-util-concurrent/3.1/backport-util-concurrent-3.1.jar
.... OUTPUT SKIPPED....要下载的jars似乎太多了。我现在使用的是离线版本的Typesafe Activator ( 356MB下载here )，速度快多了！
Stack Overflow用户
发布于 2014-01-21 23:09:59
尝试中止构建，删除引用的锁文件，然后再次执行“play run”。
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原文链接：
https://stackoverflow.com/questions/11373536
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