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Rack for JRuby and Java appservers
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RackInitializationException: exit error when deploying JRuby (9.4.8.0) WAR in Tomcat 9 | Jruby-Rack 1.2.2 #263

Closed taarz closed 3 months ago

taarz commented 3 months ago

I am encountering an issue when deploying a JRuby (9.4.8.0) WAR file in Tomcat (9.0.58.0). During initialization, the deployment fails with a RackInitializationException and an exit call in the bundler/setup.rb file.

Details:

Steps Taken:

Error Description:

01-Aug-2024 13:27:43.786 INFO [main] org.apache.catalina.core.ApplicationContext.log An exception happened during JRuby-Rack startup
exit
--- System
jruby 9.4.8.0 (3.1.4) 2024-07-02 4d41e55a67 Java HotSpot(TM) 64-Bit Server VM 21.0.3+7-LTS-152 on 21.0.3+7-LTS-152 +jit [x86_64-linux]
Time: 2024-08-01 13:27:43 -0400
Server: Apache Tomcat/9.0.58 (Ubuntu)
jruby.home: uri:classloader://META-INF/jruby.home

--- Context Init Parameters:
jruby.max.modifiable.runtimes= = 1
jruby.max.runtimes = 1
jruby.min.modifiable.runtimes= = 1
jruby.min.runtimes = 1
modifiable.booter= = rails
modifiable.ignored= = ["jndi", "booter"]
modifiable.jndi= = 
public.modifiable.root= = /
rails.env = production
rails.modifiable.env= = production

--- Backtrace
SystemExit: exit
              exit at org/jruby/RubyKernel.java:921
              exit at org/jruby/RubyKernel.java:880
            <main> at uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/bundler/setup.rb:17
           require at org/jruby/RubyKernel.java:1184
           require at uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:85
            <main> at /var/lib/tomcat9/webapps/ROOT/WEB-INF/config/boot.class:3
              load at org/jruby/RubyKernel.java:1220
            <main> at /var/lib/tomcat9/webapps/ROOT/WEB-INF/config/boot.rb:1
           require at org/jruby/RubyKernel.java:1184
           require at uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:85
  load_environment at uri:classloader:/jruby/rack/rails/environment3.rb:23
  load_environment at uri:classloader:/jruby/rack/rails_booter.rb:83
            <main> at <script>:1

--- RubyGems
Gem.dir: uri:classloader:/META-INF/jruby.home/lib/ruby/gems/shared
Gem.path:
uri:classloader:/META-INF/jruby.home/lib/ruby/gems/shared
Activated gems:
  jar-dependencies-0.4.1
  did_you_mean-1.6.1
  stringio-3.0.8-java
  bundler-2.3.26

--- Bundler
Bundler.bundle_path: uri:classloader:/META-INF/jruby.home/lib/ruby/gems/shared
Bundler.root: /var/lib/tomcat9/webapps/ROOT/WEB-INF
Gemfile: /var/lib/tomcat9/webapps/ROOT/WEB-INF/Gemfile
Settings:
  gemfile = /var/lib/tomcat9/webapps/ROOT/WEB-INF/Gemfile
  without = []

--- JRuby-Rack Config
compat_version = 
default_logger = org.jruby.rack.logging.StandardOutLogger@3badd5e0
equals = <error: >
err = org.apache.tomcat.util.log.SystemLogHandler@35ed8c1
filter_adds_html = true
filter_verifies_resource = false
ignore_environment = false
initial_memory_buffer_size = 
initial_runtimes = 1
jms_connection_factory = 
jms_jndi_properties = 
logger = org.jruby.rack.logging.ServletContextLogger@66fc5cc7
logger_class_name = servlet_context
logger_name = jruby.rack
maximum_memory_buffer_size = 
maximum_runtimes = 1
num_initializer_threads = 
out = org.apache.tomcat.util.log.SystemLogHandler@20879a29
rackup = 
rackup_path = 
rewindable = true
runtime_arguments = 
runtime_environment = 
runtime_timeout_seconds = 
serial_initialization = false
servlet_context = org.apache.catalina.core.ApplicationContextFacade@3ceadc4f
throw_init_exception = false

01-Aug-2024 13:27:43.786 SEVERE [main] org.apache.catalina.core.ApplicationContext.log ERROR: initialization failed
    org.jruby.rack.RackInitializationException: exit
    from org/jruby/RubyKernel.java:921:in `exit'
    from org/jruby/RubyKernel.java:880:in `exit'
    from uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/bundler/setup.rb:17:in `<main>'
    from org/jruby/RubyKernel.java:1184:in `require'
    from uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:85:in `require'
    from /var/lib/tomcat9/webapps/ROOT/WEB-INF/config/boot.class:3:in `<main>'
    from org/jruby/RubyKernel.java:1220:in `load'
    from /var/lib/tomcat9/webapps/ROOT/WEB-INF/config/boot.rb:1:in `<main>'
    from org/jruby/RubyKernel.java:1184:in `require'
    from uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:85:in `require'
    from uri:classloader:/jruby/rack/rails/environment3.rb:23:in `load_environment'
    from uri:classloader:/jruby/rack/rails_booter.rb:83:in `load_environment'
    from <script>:1:in `<main>'

        at org.jruby.rack.RackInitializationException.wrap(RackInitializationException.java:29)
        at org.jruby.rack.RackApplicationFactoryDecorator.init(RackApplicationFactoryDecorator.java:104)
        at org.jruby.rack.RackServletContextListener.contextInitialized(RackServletContextListener.java:50)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4768)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5230)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
        at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1024)
        at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1911)
        at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:123)
        at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:825)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:475)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1618)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:319)
        at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
        at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
        at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
        at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
        at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:835)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
        at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
        at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
        at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:263)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:927)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:772)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:480)
    Caused by: org.jruby.exceptions.SystemExit: (SystemExit) exit
        at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:921)
        at org.jruby.RubyKernel.exit(org/jruby/RubyKernel.java:880)
        at RUBY.<main>(uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/bundler/setup.rb:17)
        at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:1184)
        at RUBY.require(uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:85)
        at RUBY.<main>(/var/lib/tomcat9/webapps/ROOT/WEB-INF/config/boot.class:3)
        at org.jruby.RubyKernel.load(org/jruby/RubyKernel.java:1220)
        at RUBY.<main>(/var/lib/tomcat9/webapps/ROOT/WEB-INF/config/boot.rb:1)
        at org.jruby.RubyKernel.require(org/jruby/RubyKernel.java:1184)
        at RUBY.require(uri:classloader:/META-INF/jruby.home/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:85)
        at RUBY.load_environment(uri:classloader:/jruby/rack/rails/environment3.rb:23)
        at RUBY.load_environment(uri:classloader:/jruby/rack/rails_booter.rb:83)
        at RUBY.<main>(<script>:1)

Note: Able to run the application normally using rails.

Request for Help: I am seeking assistance to understand why the exit call is occurring and how to resolve this issue. Any guidance or suggestions for troubleshooting this problem would be greatly appreciated.

taarz commented 3 months ago

The actual issue was that Tomcat was unable to identify the GEM_PATH and GEM_HOME; this issue was resolved as soon as I added Gem.paths=ENV in boot.rb before calling require "bundler/setup".