SuperDevMode stops working from Intellij version >= 2025.2.3

[Lonzak]

If you plan to (easily) use the GWT superDev mode, I advise not to update Intellij to >2025.2.2.

This is the last version where the superDev mode could have been started...

See  https://youtrack.jetbrains.com/issue/IDEA-380767

Regards

[Michael Conrad]

Even starting it via CLI via say ./gradlew ?

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​

[Craig Mitchell]

Running via Maven still works.  I'm on IntelliJ IDEA 2025.2.4 (Community Edition) and it's working fine with Maven.  Ie:

[Khun Yee Fung]

Can you tell me where the 33K characters limit is? Where to find the code server script, I guess. I am just curious how many characters my version of the code server script has.

I am still running GWT in 2025.2.4 (on Linux 6.8.0-84 xubuntu), and I do have 130 jar files in my application (so should be under the 33k limit, I guess), not all of them for GWT, obviously. I don't use maven; I am still using ant, so I do have all the jar files explicitly present in the lib directory in the war directory.

Thanks.

[Craig Mitchell]

My understanding of reading the YouTrack issue, is when IntelliJ tries to starts the codeserver, it make a script that it runs.  There seems to be a limit on the size of that script of around 33k, which, in some projects, gets exceeded.

I only have the community edition, so I'm forced to run the GWT codeserver with Maven, however, even when I ask IntelliJ to run my JUnit tests, it makes a script that is 14k long (and my project is just a simple SpringBoot GWT app).

If curious, this is what IntelliJ generates for me to run my JUnit tests (lots of classpath bloat):

C:\Projects\bin\Java\jdk-21.0.5+11\bin\java.exe -javaagent:C:\Users\mail\AppData\Local\JetBrains\IdeaIC2025.2\captureAgent\debugger-agent.jar=file:///C:/Users/mail/AppData/Local/Temp/capture7863090817105141911.props -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.3.2\lib\idea_rt.jar=64729" -Dkotlinx.coroutines.debug.enable.creation.stack.trace=false -Ddebugger.agent.enable.coroutines=true -Dkotlinx.coroutines.debug.enable.flows.stack.trace=true -Dkotlinx.coroutines.debug.enable.mutable.state.flows.stack.trace=true -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8 -classpath "C:\Users\mail\.m2\repository\org\junit\platform\junit-platform-launcher\1.12.2\junit-platform-launcher-1.12.2.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.3.2\lib\idea_rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.3.2\plugins\junit\lib\junit6-rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.3.2\plugins\junit\lib\junit5-rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2023.3.2\plugins\junit\lib\junit-rt.jar;C:\Projects\code\DriftTeam\drift-team-server\target\test-classes;C:\Projects\code\DriftTeam\drift-team-server\target\classes;C:\Users\mail\.m2\repository\com\google\cloud\google-cloud-datastore\2.31.1\google-cloud-datastore-2.31.1.jar;C:\Users\mail\.m2\repository\com\google\api\grpc\grpc-google-cloud-datastore-v1\2.31.1\grpc-google-cloud-datastore-v1-2.31.1.jar;C:\Users\mail\.m2\repository\javax\annotation\javax.annotation-api\1.3.2\javax.annotation-api-1.3.2.jar;C:\Users\mail\.m2\repository\com\google\api\grpc\grpc-google-cloud-datastore-admin-v1\2.31.1\grpc-google-cloud-datastore-admin-v1-2.31.1.jar;C:\Users\mail\.m2\repository\com\google\cloud\google-cloud-core-http\2.58.2\google-cloud-core-http-2.58.2.jar;C:\Users\mail\.m2\repository\com\google\api-client\google-api-client\2.7.2\google-api-client-2.7.2.jar;C:\Users\mail\.m2\repository\commons-codec\commons-codec\1.18.0\commons-codec-1.18.0.jar;C:\Users\mail\.m2\repository\com\google\http-client\google-http-client-apache-v2\1.47.1\google-http-client-apache-v2-1.47.1.jar;C:\Users\mail\.m2\repository\com\google\http-client\google-http-client-appengine\1.47.1\google-http-client-appengine-1.47.1.jar;C:\Users\mail\.m2\repository\io\opencensus\opencensus-contrib-http-util\0.31.1\opencensus-contrib-http-util-0.31.1.jar;C:\Users\mail\.m2\repository\com\google\errorprone\error_prone_annotations\2.38.0\error_prone_annotations-2.38.0.jar;C:\Users\mail\.m2\repository\com\google\cloud\google-cloud-core-grpc\2.58.2\google-cloud-core-grpc-2.58.2.jar;C:\Users\mail\.m2\repository\com\google\api\grpc\proto-google-cloud-datastore-v1\0.122.1\proto-google-cloud-datastore-v1-0.122.1.jar;C:\Users\mail\.m2\repository\com\google\api\grpc\proto-google-cloud-datastore-admin-v1\2.31.1\proto-google-cloud-datastore-admin-v1-2.31.1.jar;C:\Users\mail\.m2\repository\com\google\cloud\datastore\datastore-v1-proto-client\2.31.1\datastore-v1-proto-client-2.31.1.jar;C:\Users\mail\.m2\repository\com\google\http-client\google-http-client-protobuf\1.47.1\google-http-client-protobuf-1.47.1.jar;C:\Users\mail\.m2\repository\com\google\http-client\google-http-client-gson\1.47.1\google-http-client-gson-1.47.1.jar;C:\Users\mail\.m2\repository\com\google\auth\google-auth-library-credentials\1.37.1\google-auth-library-credentials-1.37.1.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-api\1.71.0\grpc-api-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-protobuf\1.71.0\grpc-protobuf-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-protobuf-lite\1.71.0\grpc-protobuf-lite-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-stub\1.71.0\grpc-stub-1.71.0.jar;C:\Users\mail\.m2\repository\org\codehaus\mojo\animal-sniffer-annotations\1.24\animal-sniffer-annotations-1.24.jar;C:\Users\mail\.m2\repository\com\google\api\api-common\2.51.2\api-common-2.51.2.jar;C:\Users\mail\.m2\repository\com\google\auto\value\auto-value-annotations\1.11.0\auto-value-annotations-1.11.0.jar;C:\Users\mail\.m2\repository\com\google\j2objc\j2objc-annotations\3.0.0\j2objc-annotations-3.0.0.jar;C:\Users\mail\.m2\repository\org\threeten\threetenbp\1.7.0\threetenbp-1.7.0.jar;C:\Users\mail\.m2\repository\com\google\protobuf\protobuf-java\3.25.8\protobuf-java-3.25.8.jar;C:\Users\mail\.m2\repository\com\google\api\gax\2.68.2\gax-2.68.2.jar;C:\Users\mail\.m2\repository\com\google\protobuf\protobuf-java-util\3.25.8\protobuf-java-util-3.25.8.jar;C:\Users\mail\.m2\repository\com\google\api\gax-grpc\2.68.2\gax-grpc-2.68.2.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-inprocess\1.71.0\grpc-inprocess-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-core\1.71.0\grpc-core-1.71.0.jar;C:\Users\mail\.m2\repository\com\google\android\annotations\4.1.1.4\annotations-4.1.1.4.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-alts\1.71.0\grpc-alts-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-grpclb\1.71.0\grpc-grpclb-1.71.0.jar;C:\Users\mail\.m2\repository\org\conscrypt\conscrypt-openjdk-uber\2.5.2\conscrypt-openjdk-uber-2.5.2.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-auth\1.71.0\grpc-auth-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-netty-shaded\1.71.0\grpc-netty-shaded-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-util\1.71.0\grpc-util-1.71.0.jar;C:\Users\mail\.m2\repository\io\perfmark\perfmark-api\0.27.0\perfmark-api-0.27.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-googleapis\1.71.0\grpc-googleapis-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-xds\1.71.0\grpc-xds-1.71.0.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-services\1.71.0\grpc-services-1.71.0.jar;C:\Users\mail\.m2\repository\com\google\re2j\re2j\1.8\re2j-1.8.jar;C:\Users\mail\.m2\repository\com\google\api\gax-httpjson\2.68.2\gax-httpjson-2.68.2.jar;C:\Users\mail\.m2\repository\com\google\code\gson\gson\2.6.2\gson-2.6.2.jar;C:\Users\mail\.m2\repository\com\google\guava\guava\33.4.0-jre\guava-33.4.0-jre.jar;C:\Users\mail\.m2\repository\com\google\guava\failureaccess\1.0.2\failureaccess-1.0.2.jar;C:\Users\mail\.m2\repository\com\google\guava\listenablefuture\9999.0-empty-to-avoid-conflict-with-guava\listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar;C:\Users\mail\.m2\repository\org\checkerframework\checker-qual\3.49.0\checker-qual-3.49.0.jar;C:\Users\mail\.m2\repository\com\google\cloud\google-cloud-core\2.58.2\google-cloud-core-2.58.2.jar;C:\Users\mail\.m2\repository\com\google\api\grpc\proto-google-iam-v1\1.54.2\proto-google-iam-v1-1.54.2.jar;C:\Users\mail\.m2\repository\com\google\api\grpc\proto-google-common-protos\2.59.2\proto-google-common-protos-2.59.2.jar;C:\Users\mail\.m2\repository\com\google\http-client\google-http-client\1.47.1\google-http-client-1.47.1.jar;C:\Users\mail\.m2\repository\org\apache\httpcomponents\httpclient\4.5.14\httpclient-4.5.14.jar;C:\Users\mail\.m2\repository\org\apache\httpcomponents\httpcore\4.4.16\httpcore-4.4.16.jar;C:\Users\mail\.m2\repository\io\grpc\grpc-context\1.71.0\grpc-context-1.71.0.jar;C:\Users\mail\.m2\repository\com\google\http-client\google-http-client-jackson2\1.47.1\google-http-client-jackson2-1.47.1.jar;C:\Users\mail\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.19.2\jackson-core-2.19.2.jar;C:\Users\mail\.m2\repository\com\google\oauth-client\google-oauth-client\1.39.0\google-oauth-client-1.39.0.jar;C:\Users\mail\.m2\repository\com\google\auth\google-auth-library-oauth2-http\1.37.1\google-auth-library-oauth2-http-1.37.1.jar;C:\Users\mail\.m2\repository\io\opencensus\opencensus-api\0.31.1\opencensus-api-0.31.1.jar;C:\Users\mail\.m2\repository\com\google\code\findbugs\jsr305\1.3.9\jsr305-1.3.9.jar;C:\Users\mail\.m2\repository\io\opentelemetry\opentelemetry-api\1.49.0\opentelemetry-api-1.49.0.jar;C:\Users\mail\.m2\repository\io\opentelemetry\opentelemetry-context\1.49.0\opentelemetry-context-1.49.0.jar;C:\Users\mail\.m2\repository\io\opentelemetry\instrumentation\opentelemetry-grpc-1.6\2.1.0-alpha\opentelemetry-grpc-1.6-2.1.0-alpha.jar;C:\Users\mail\.m2\repository\io\opentelemetry\instrumentation\opentelemetry-instrumentation-api\2.1.0\opentelemetry-instrumentation-api-2.1.0.jar;C:\Users\mail\.m2\repository\io\opentelemetry\opentelemetry-extension-incubator\1.35.0-alpha\opentelemetry-extension-incubator-1.35.0-alpha.jar;C:\Users\mail\.m2\repository\io\opentelemetry\semconv\opentelemetry-semconv\1.29.0-alpha\opentelemetry-semconv-1.29.0-alpha.jar;C:\Users\mail\.m2\repository\io\opentelemetry\instrumentation\opentelemetry-instrumentation-api-incubator\2.1.0-alpha\opentelemetry-instrumentation-api-incubator-2.1.0-alpha.jar;C:\Projects\code\DriftTeam\drift-team-shared\target\classes;C:\Users\mail\.m2\repository\org\gwtproject\gwt-servlet-jakarta\2.12.2\gwt-servlet-jakarta-2.12.2.jar;C:\Users\mail\.m2\repository\org\springframework\boot\spring-boot-starter-web\3.5.4\spring-boot-starter-web-3.5.4.jar;C:\Users\mail\.m2\repository\org\springframework\boot\spring-boot-starter\3.5.4\spring-boot-starter-3.5.4.jar;C:\Users\mail\.m2\repository\jakarta\annotation\jakarta.annotation-api\2.1.1\jakarta.annotation-api-2.1.1.jar;C:\Users\mail\.m2\repository\org\springframework\spring-core\6.2.9\spring-core-6.2.9.jar;C:\Users\mail\.m2\repository\org\springframework\spring-jcl\6.2.9\spring-jcl-6.2.9.jar;C:\Users\mail\.m2\repository\org\springframework\boot\spring-boot-starter-json\3.5.4\spring-boot-starter-json-3.5.4.jar;C:\Users\mail\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.19.2\jackson-datatype-jdk8-2.19.2.jar;C:\Users\mail\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.19.2\jackson-datatype-jsr310-2.19.2.jar;C:\Users\mail\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.19.2\jackson-module-parameter-names-2.19.2.jar;C:\Users\mail\.m2\repository\org\springframework\spring-web\6.2.9\spring-web-6.2.9.jar;C:\Users\mail\.m2\repository\org\springframework\spring-beans\6.2.9\spring-beans-6.2.9.jar;C:\Users\mail\.m2\repository\io\micrometer\micrometer-observation\1.15.2\micrometer-observation-1.15.2.jar;C:\Users\mail\.m2\repository\io\micrometer\micrometer-commons\1.15.2\micrometer-commons-1.15.2.jar;C:\Users\mail\.m2\repository\org\springframework\spring-webmvc\6.2.9\spring-webmvc-6.2.9.jar;C:\Users\mail\.m2\repository\org\springframework\spring-aop\6.2.9\spring-aop-6.2.9.jar;C:\Users\mail\.m2\repository\org\springframework\spring-context\6.2.9\spring-context-6.2.9.jar;C:\Users\mail\.m2\repository\org\springframework\spring-expression\6.2.9\spring-expression-6.2.9.jar;C:\Users\mail\.m2\repository\org\springframework\boot\spring-boot-starter-undertow\3.5.4\spring-boot-starter-undertow-3.5.4.jar;C:\Users\mail\.m2\repository\io\undertow\undertow-core\2.3.18.Final\undertow-core-2.3.18.Final.jar;C:\Users\mail\.m2\repository\org\jboss\logging\jboss-logging\3.6.1.Final\jboss-logging-3.6.1.Final.jar;C:\Users\mail\.m2\repository\org\jboss\xnio\xnio-api\3.8.16.Final\xnio-api-3.8.16.Final.jar;C:\Users\mail\.m2\repository\org\wildfly\common\wildfly-common\1.5.4.Final\wildfly-common-1.5.4.Final.jar;C:\Users\mail\.m2\repository\org\wildfly\client\wildfly-client-config\1.0.1.Final\wildfly-client-config-1.0.1.Final.jar;C:\Users\mail\.m2\repository\org\jboss\xnio\xnio-nio\3.8.16.Final\xnio-nio-3.8.16.Final.jar;C:\Users\mail\.m2\repository\org\jboss\threads\jboss-threads\3.5.0.Final\jboss-threads-3.5.0.Final.jar;C:\Users\mail\.m2\repository\io\undertow\undertow-servlet\2.3.18.Final\undertow-servlet-2.3.18.Final.jar;C:\Users\mail\.m2\repository\jakarta\servlet\jakarta.servlet-api\6.0.0\jakarta.servlet-api-6.0.0.jar;C:\Users\mail\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\10.1.43\tomcat-embed-el-10.1.43.jar;C:\Users\mail\.m2\repository\org\springframework\boot\spring-boot-devtools\3.5.4\spring-boot-devtools-3.5.4.jar;C:\Users\mail\.m2\repository\org\springframework\boot\spring-boot\3.5.4\spring-boot-3.5.4.jar;C:\Users\mail\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\3.5.4\spring-boot-autoconfigure-3.5.4.jar;C:\Users\mail\.m2\repository\com\auth0\java-jwt\4.5.0\java-jwt-4.5.0.jar;C:\Users\mail\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.19.2\jackson-databind-2.19.2.jar;C:\Users\mail\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.19.2\jackson-annotations-2.19.2.jar;C:\Users\mail\.m2\repository\org\bouncycastle\bcprov-jdk18on\1.81\bcprov-jdk18on-1.81.jar;C:\Users\mail\.m2\repository\org\json\json\20250517\json-20250517.jar;C:\Users\mail\.m2\repository\org\yaml\snakeyaml\2.4\snakeyaml-2.4.jar;C:\Users\mail\.m2\repository\com\paypal\sdk\checkout-sdk\1.0.3\checkout-sdk-1.0.3.jar;C:\Users\mail\.m2\repository\com\paypal\paypalhttp\1.0.1\paypalhttp-1.0.1.jar;C:\Users\mail\.m2\repository\org\junit\jupiter\junit-jupiter\5.13.4\junit-jupiter-5.13.4.jar;C:\Users\mail\.m2\repository\org\junit\jupiter\junit-jupiter-api\5.12.2\junit-jupiter-api-5.12.2.jar;C:\Users\mail\.m2\repository\org\opentest4j\opentest4j\1.3.0\opentest4j-1.3.0.jar;C:\Users\mail\.m2\repository\org\junit\platform\junit-platform-commons\1.12.2\junit-platform-commons-1.12.2.jar;C:\Users\mail\.m2\repository\org\apiguardian\apiguardian-api\1.1.2\apiguardian-api-1.1.2.jar;C:\Users\mail\.m2\repository\org\junit\jupiter\junit-jupiter-params\5.12.2\junit-jupiter-params-5.12.2.jar;C:\Users\mail\.m2\repository\org\junit\jupiter\junit-jupiter-engine\5.12.2\junit-jupiter-engine-5.12.2.jar;C:\Users\mail\.m2\repository\org\junit\platform\junit-platform-engine\1.12.2\junit-platform-engine-1.12.2.jar;C:\Projects\code\DriftTeam\drift-team-client\target\classes" com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit5 team.drift.test.TestGameLogic

[Khun Yee Fung]

Thanks!

I do see the script now. Mine is 11k. I guess a solution to get it under 33k is to use a symbolic link or two (if you are on Linux) to shorten the paths for the jar files? One gigantic jar file combining everything?

I guess if there is an advantage of still using the ancient ant, this is one of them: only jar files actually needed in the application are included? Maybe?

Anyhow. I do see the problem now.