fix jars installer for new maven and pin psych to 5.2.2 (#16920)

8.x backport of #16919

handle maven output that can carry "garbage" information after the jar's name. this patch deletes that extra information, also pins psych to 5.2.2 until jruby ships with snakeyaml-engine 2.9 and jar-dependencies 0.5.2

Related to: jruby/jruby#8579

Gemfile.template

@@ -140,3 +140,5 @@ gem "logstash-output-stdout", "~> 3.1", :require => false
 gem "logstash-output-tcp", "~> 6.2", :require => false
 gem "logstash-output-udp", "~> 3.2", :require => false
 gem "logstash-output-webhdfs", "~> 3.1", :require => false
+
+gem "psych", "5.2.2"

lib/bootstrap/bundler.rb

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+require_relative './patches/jar_dependencies'
+
 module LogStash
   module Bundler
     extend self

lib/bootstrap/patches/jar_dependencies.rb

@@ -21,11 +21,37 @@ def require_jar(*args)
   return nil unless Jars.require?
   result = Jars.require_jar(*args)
   if result.is_a? String
-    # JAR_DEBUG=1 will now show theses
+    # JARS_VERBOSE=true will show these
     Jars.debug { "--- jar coordinate #{args[0..-2].join(':')} already loaded with version #{result} - omit version #{args[-1]}" }
     Jars.debug { "    try to load from #{caller.join("\n\t")}" }
     return false
   end
   Jars.debug { "    register #{args.inspect} - #{result == true}" }
   result
 end
+
+# work around https://github.com/jruby/jruby/issues/8579
+# the ruby maven 3.9.3 + maven-libs 3.9.9 gems will output unnecessary text we need to trim down during `load_from_maven`
+# remove everything from "--" until the end of the line
+# the `[...-5]` is just to remove the color changing characters from the end of the string that exist before "--"
+require 'jars/installer'
+
+class ::Jars::Installer
+  def self.load_from_maven(file)
+    Jars.debug { "[load_from_maven] called with arguments: #{file.inspect}" }
+    result = []
+    ::File.read(file).each_line do |line|
+      if line.match?(/ --/)
+        Jars.debug { "[load_from_maven] line: #{line.inspect}" }
+        fixed_line = line.strip.gsub(/ --.+?$/, "")[0...-5]
+        Jars.debug { "[load_from_maven] fixed_line: #{fixed_line.inspect}" }
+        dep = ::Jars::Installer::Dependency.new(fixed_line)
+      else
+        dep = ::Jars::Installer::Dependency.new(line)
+      end
+      result << dep if dep && dep.scope == :runtime
+    end
+    Jars.debug { "[load_from_maven] returned: #{result.inspect}" }
+    result
+  end
+end