14:08:38 [PREPARING] [INFO] Scanning for projects...
14:08:38 [PREPARING] [INFO]
14:08:38 [PREPARING] [INFO] -------------------< prog1:std-interfaces-callback >--------------------
14:08:38 [PREPARING] [INFO] Building std-interfaces-callback 1.0-SNAPSHOT
14:08:38 [PREPARING] [INFO] from pom.xml
14:08:38 [PREPARING] [INFO] --------------------------------[ jar ]---------------------------------
14:08:45 [PREPARING] [INFO]
14:08:45 [PREPARING] [INFO] --- clean:3.2.0:clean (default-clean) @ std-interfaces-callback ---
14:08:46 [PREPARING] [INFO]
14:08:46 [PREPARING] [INFO] --- resources:3.4.0:resources (default-resources) @ std-interfaces-callback ---
14:08:48 [PREPARING] [INFO] Copying 4 resources from src/main/resources to target/classes
14:08:48 [PREPARING] [INFO]
14:08:48 [PREPARING] [INFO] --- compiler:3.15.0:compile (default-compile) @ std-interfaces-callback ---
14:08:50 [PREPARING] [INFO] Recompiling the module because of changed source code.
14:08:50 [PREPARING] [INFO] Compiling 9 source files with javac [debug release 25] to target/classes
14:08:55 [PREPARING] [INFO] -------------------------------------------------------------
14:08:55 [PREPARING] [ERROR] COMPILATION ERROR :
14:08:55 [PREPARING] [INFO] -------------------------------------------------------------
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[11,19] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[13,29] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[18,13] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[27,21] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[27,38] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[31,21] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[31,39] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[35,21] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[35,40] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[39,21] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[39,39] cannot find symbol
14:08:55 [PREPARING] symbol: class Coord
14:08:55 [PREPARING] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [INFO] 11 errors
14:08:55 [PREPARING] [INFO] -------------------------------------------------------------
14:08:55 [PREPARING] [INFO] ------------------------------------------------------------------------
14:08:55 [PREPARING] [INFO] BUILD FAILURE
14:08:55 [PREPARING] [INFO] ------------------------------------------------------------------------
14:08:55 [PREPARING] [INFO] Total time: 16.770 s
14:08:55 [PREPARING] [INFO] Finished at: 2026-05-30T14:08:55Z
14:08:55 [PREPARING] [INFO] ------------------------------------------------------------------------
14:08:55 [PREPARING] [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.15.0:compile (default-compile) on project std-interfaces-callback: Compilation failure: Compilation failure:
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[11,19] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[13,29] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[18,13] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[27,21] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[27,38] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[31,21] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[31,39] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[35,21] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[35,40] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[39,21] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] /git_12896801150141177180/src/main/java/ch/fhnw/prog1/exercise/floodfill/IterativFloodFill.java:[39,39] cannot find symbol
14:08:55 [PREPARING] [ERROR] symbol: class Coord
14:08:55 [PREPARING] [ERROR] location: class ch.fhnw.prog1.exercise.floodfill.IterativFloodFill
14:08:55 [PREPARING] [ERROR] -> [Help 1]
14:08:55 [PREPARING] [ERROR]
14:08:55 [PREPARING] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
14:08:55 [PREPARING] [ERROR] Re-run Maven using the -X switch to enable full debug logging.
14:08:55 [PREPARING] [ERROR]
14:08:55 [PREPARING] [ERROR] For more information about the errors and possible solutions, please read the following articles:
14:08:55 [PREPARING] [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
14:08:55 [PREPARING] Failed to build student submission
14:08:55 [PREPARING] HINT: ensure your code can be compiled locally before running AutoFeedback evaluation