You are actually quite lucky with your build window. My Java build windows are real gems. In this example, the Java compiler call line is over 8K characters long, and is of course wrapped, so you are paging down a few times to skip over the noise. For increased excitement, the first compiler diagnostic line is seamlessly tacked on to that monstrous line. Next-tag, quite naturally, positions you to the beginning of the 8K line, making it your responsibility to maneuver to the end of it to see the error.
Javac arguments should be in an @argsfile.
C: & cd C:\code\ae\build\server
C:\code\ae\build\server>C:\VSLICK~1\win\vsbuild -t "build" "C:\code\ae\build\server\serverdebug.vpw" "C:\code\ae\build\server\serverdebug.vpj" -c "Debug" -signal 49783
---------- 'build' Project: 'serverdebug.vpj' - 'Debug' ---------- VSLICKERRORPATH="C:\code\ae\build\server"
c:\jdk-14.0.1+7\bin\javac.exe -g -d
"C:\code\ae\build\server\webapp\WEB-INF\classes" -classpath
\code\ae\build\server\webapp\web-inf\classes\;\code\ae\build\server\webapp\WEB-INF\classes\resources\;
\code\ae\build\server\;\code\ae\build\server\libs\accessors-smart-1.2.jar;
\code\ae\build\server\libs\animal-sniffer-annotations-1.18.jar;
\code\ae\build\server\libs\antlr-2.7.7.jar;\code\ae\build\server\libs\aopalliance-repackaged-2.5.0-b42.jar;
\code\ae\build\server\libs\apiguardian-api-1.1.0.jar;\code\ae\build\server\libs\asm-7.2.jar;
\code\ae\build\server\libs\asm-analysis-7.2.jar;\code\ae\build\server\libs\asm-commons-7.2.jar;
\code\ae\build\server\libs\asm-tree-7.2.jar;\code\ae\build\server\libs\asm-shared-2.1.jar;
\code\ae\build\server\libs\bcmail-jdk15on-1.62.jar;\code\ae\build\server\libs\bcpkix-jdk15on-1.62.jar;
\code\ae\build\server\libs\bcprov-jdk15on-1.62.jar;\code\ae\build\server\libs\byte-buddy-1.8.12.jar;
\code\ae\build\server\libs\c3p0-0.9.5.2.jar;\code\ae\build\server\libs\cdi-api-2.0.jar;
\code\ae\build\server\libs\checker-compat-qual-2.5.5.jar;\code\ae\build\server\libs\classmate-1.3.4.jar;
\code\ae\build\server\libs\commons-beanutils-1.9.3.jar;\code\ae\build\server\libs\commons-codec-1.11.jar;
\code\ae\build\server\libs\commons-collections-3.2.2.jar;\code\ae\build\server\libs\commons-configuration-1.10.jar;
\code\ae\build\server\libs\commons-dbcp-1.4.jar;\code\ae\build\server\libs\commons-fileupload-1.3.3.jar;
\code\ae\build\server\libs\commons-io-2.6.jar;\code\ae\build\server\libs\commons-lang-2.6.jar;
\code\ae\build\server\libs\commons-logging-1.2.jar;\code\ae\build\server\libs\commons-pool-1.5.4.jar;
\code\ae\build\server\libs\commons-wrapper-1.2.jar;\code\ae\build\server\libs\error_prone_annotations-2.3.2.jar;
\code\ae\build\server\libs\derby-10.14.2.0.jar;\code\ae\build\server\libs\derbyclient-10.14.2.0.jar;
\code\ae\build\server\libs\derbynet-10.14.2.0.jar;\code\ae\build\server\libs\derbytools-10.14.2.0.jar;
\code\ae\build\server\libs\dom4j-1.6.1.jar;\code\ae\build\server\libs\el-api-2.2.jar;
\code\ae\build\server\libs\failureaccess-1.0.1.jar;\code\ae\build\server\libs\FastInfoset-1.2.15.jar;
\code\ae\build\server\libs\google-api-client-1.30.7.jar;
\code\ae\build\server\libs\google-api-services-androidenterprise-v1-rev189-1.25.0.jar;
\code\ae\build\server\libs\google-api-services-plus-v1-rev590-1.25.0.jar;
\code\ae\build\server\libs\google-http-client-1.34.0.jar;\code\ae\build\server\libs\google-http-client-jackson2-1.32.1.jar;
\code\ae\build\server\libs\google-oauth-client-1.30.5.jar;\code\ae\build\server\libs\grpc-context-1.22.1.jar;
\code\ae\build\server\libs\gson-2.8.2.jar;\code\ae\build\server\libs\guava-28.1-android.jar;
\code\ae\build\server\libs\hibernate-c3p0-5.2.13.Final.jar;
\code\ae\build\server\libs\hibernate-commons-annotations-5.0.3.Final.jar;
\code\ae\build\server\libs\hibernate-core-5.3.1.Final.jar;
\code\ae\build\server\libs\hibernate-entitymanager-5.2.13.Final.jar;
\code\ae\build\server\libs\hibernate-jpa-2.1-api-1.0.0.Final.jar;
\code\ae\build\server\libs\HikariCP-java6-2.3.13.jar;\code\ae\build\server\libs\hk2-api-2.5.0-b42.jar;
\code\ae\build\server\libs\hk2-locator-2.5.0-b42.jar;\code\ae\build\server\libs\hk2-utils-2.5.0-b42.jar;
\code\ae\build\server\libs\httpclient-4.5.10.jar;\code\ae\build\server\libs\httpcore-4.4.12.jar;
\code\ae\build\server\libs\httpmime-4.5.6.jar;\code\ae\build\server\libs\infor-broker-7.2.jar;
\code\ae\build\server\libs\istack-commons-runtime-3.0.7.jar;\code\ae\build\server\libs\j2objc-annotations-1.3.jar;
\code\ae\build\server\libs\jackson-annotations-2.10.3.jar;\code\ae\build\server\libs\jackson-core-2.10.3.jar;
\code\ae\build\server\libs\jackson-databind-2.10.3.jar;\code\ae\build\server\libs\jandex-2.0.3.Final.jar;
\code\ae\build\server\libs\javassist-3.22.0-GA.jar;\code\ae\build\server\libs\lang-util-api-3.0.4a.jar;
\code\ae\build\server\libs\javax-websocket-client-impl-9.4.28.v20200408.jar;
\code\ae\build\server\libs\javax-websocket-server-impl-9.4.28.v20200408.jar;
\code\ae\build\server\libs\javax.activation-api-1.2.0.jar;\code\ae\build\server\libs\javax.annotation-api-1.3.1.jar;
\code\ae\build\server\libs\javax.el-api-3.0.0.jar;\code\ae\build\server\libs\javax.inject-1.jar;
\code\ae\build\server\libs\javax.inject-2.5.0-b60.jar;\code\ae\build\server\libs\javax.interceptor-api-1.2.jar;
\code\ae\build\server\libs\javax.persistence-api-2.2.jar;\code\ae\build\server\libs\javax.servlet-api-3.1.0.jar;
\code\ae\build\server\libs\javax.websocket-api-1.0.jar;\code\ae\build\server\libs\javax.websocket-client-api-1.0.jar;
\code\ae\build\server\libs\javax.ws.rs-api-2.1.jar;\code\ae\build\server\libs\jaxb-api-2.3.1.jar;
\code\ae\build\server\libs\jaxb-runtime-2.3.1.jar;\code\ae\build\server\libs\jboss-logging-3.3.2.Final.jar;
\code\ae\build\server\libs\jboss-transaction-api_1.2_spec-1.1.1.Final.jar;\code\ae\build\server\libs\jcip-annotations-1.0-1.jar;
\code\ae\build\server\libs\jersey-client-2.26.jar;\code\ae\build\server\libs\jersey-common-2.26.jar;
\code\ae\build\server\libs\jersey-container-servlet-2.26.jar;\code\ae\build\server\libs\jersey-container-servlet-core-2.26.jar;
\code\ae\build\server\libs\jersey-hk2-2.26.jar;\code\ae\build\server\libs\jersey-media-jaxb-2.26.jar;
\code\ae\build\server\libs\jersey-server-2.26.jar;\code\ae\build\server\libs\jettison-1.3.8.jar;
\code\ae\build\server\libs\jetty-annotations-9.4.28.v20200408.jar;\code\ae\build\server\libs\jetty-client-9.4.28.v20200408.jar;
\code\ae\build\server\libs\jetty-http-9.4.28.v20200408.jar;\code\ae\build\server\libs\jetty-io-9.4.28.v20200408.jar;
\code\ae\build\server\libs\jetty-jndi-9.4.28.v20200408.jar;\code\ae\build\server\libs\jetty-plus-9.4.28.v20200408.jar;
\code\ae\build\server\libs\jetty-security-9.4.28.v20200408.jar;\code\ae\build\server\libs\jetty-server-9.4.28.v20200408.jar;
\code\ae\build\server\libs\jetty-servlet-9.4.28.v20200408.jar;\code\ae\build\server\libs\jetty-util-9.4.28.v20200408.jar;
\code\ae\build\server\libs\jetty-webapp-9.4.28.v20200408.jar;\code\ae\build\server\libs\jetty-xml-9.4.28.v20200408.jar;
\code\ae\build\server\libs\json-smart-2.3.jar;
\code\ae\build\server\libs\jsonic-1.3.10.jar;\code\ae\build\server\libs\jsr305-3.0.2.jar;
\code\ae\build\server\libs\jstl-1.2.jar;\code\ae\build\server\libs\jta-1.1.jar;
\code\ae\build\server\libs\junit-jupiter-api-5.5.1.jar;\code\ae\build\server\libs\junit-jupiter-engine-5.5.1.jar;
\code\ae\build\server\libs\junit-jupiter-params-5.5.1.jar;\code\ae\build\server\libs\junit-platform-commons-1.5.1.jar;
\code\ae\build\server\libs\junit-platform-engine-1.5.1.jar;
\code\ae\build\server\libs\listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar;
\code\ae\build\server\libs\log4j-api-2.12.1.jar;\code\ae\build\server\libs\log4j-core-2.12.1.jar;
\code\ae\build\server\libs\log4j-slf4j-impl-2.12.1.jar;\code\ae\build\server\libs\mchange-commons-java-0.2.14.jar;
\code\ae\build\server\libs\nimbus-jose-jwt-5.12.jar;\code\ae\build\server\libs\opencensus-api-0.24.0.jar;
\code\ae\build\server\libs\opencensus-contrib-http-util-0.24.0.jar;\code\ae\build\server\libs\osgi-resource-locator-1.0.1.jar;
\code\ae\build\server\libs\quartz-2.3.0.jar;\code\ae\build\server\libs\slf4j-api-1.7.25.jar;
\code\ae\build\server\libs\stax-api-1.0.1.jar;\code\ae\build\server\libs\stax-ex-1.8.jar;
\code\ae\build\server\libs\txw2-2.3.1.jar;\code\ae\build\server\libs\validation-api-1.1.0.Final.jar;
\code\ae\build\server\libs\websocket-api-9.4.28.v20200408.jar;
\code\ae\build\server\libs\websocket-client-9.4.28.v20200408.jar;
\code\ae\build\server\libs\websocket-common-9.4.28.v20200408.jar;
\code\ae\build\server\libs\websocket-server-9.4.28.v20200408.jar;
\code\ae\build\server\libs\websocket-servlet-9.4.28.v20200408.jar;\code\ae\build\server\libs\xml-apis-1.0.b2.jar;
\code\ae\build\server\libs\xmlpull-1.1.3.4a.jar;\code\ae\build\server\libs\xpp3_min-1.1.4c.jar;
\code\ae\build\server\libs\xstream-1.4.12.jar;\code\ae\build\server\libs\zlist-api-4.0.3.jar;
\code\ae\java\ServerManagement\conf\;C:\code\ae\build\server\
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C:\code\ae\java\ServerManagement\src\main\java\com\acme\server\peerdiscovery\IDiscoveryAPI.java:17:
error: cannot find symbol
List<String> getRanges(String startAddress, String endAddress);
^
symbol: class List
location: interface IDiscoveryAPI
1 error
Build stopped. javac.exe returned 1
*** Errors occurred during this build ***
C:\code\ae\build\server>