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Write raw javac output to a log file #297

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Write raw javac output to a log file #297

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13 changes: 13 additions & 0 deletions ...plexus-compiler-javac/src/main/java/org/codehaus/plexus/compiler/javac/JavacCompiler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -56,8 +56,13 @@
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.Deque;
import java.util.HashSet;
import java.util.List;
Expand Down Expand Up @@ -643,6 +648,14 @@ protected CompilerResult compileOutOfProcess(CompilerConfiguration config, Strin
getLog().debug("Compiler output:{}{}", EOL, out.getOutput());
}

Path logsDir = config.getBuildDirectory().toPath().resolve("compiler-logs");
if (!Files.exists(logsDir)) {
Files.createDirectories(logsDir);
}
SimpleDateFormat dateFormat = new SimpleDateFormat("'javac'_yyyy-MM-dd'T'HH_mm_ss.'log'");
String logFileName = dateFormat.format(new Date());
Files.write(logsDir.resolve(logFileName), out.getOutput().getBytes(StandardCharsets.UTF_8));

messages = parseModernStream(returnCode, new BufferedReader(new StringReader(out.getOutput())));
} catch (CommandLineException | IOException e) {
throw new CompilerException("Error while executing the external compiler.", e);
Expand Down