package net.minecraft.crash; import com.google.common.collect.Lists; import java.io.File; import java.io.FileWriter; import java.io.PrintWriter; import java.io.StringWriter; import java.lang.management.ManagementFactory; import java.lang.management.RuntimeMXBean; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.concurrent.Callable; import net.minecraft.util.ReportedException; import net.minecraft.world.gen.layer.IntCache; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.ArrayUtils; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; public class CrashReport { private static final Logger logger = LogManager.getLogger(); /** Description of the crash report. */ private final String description; /** The Throwable that is the "cause" for this crash and Crash Report. */ private final Throwable cause; /** Category of crash */ private final CrashReportCategory theReportCategory = new CrashReportCategory(this, "System Details"); /** Holds the keys and values of all crash report sections. */ private final List crashReportSections = Lists.newArrayList(); /** File of crash report. */ private File crashReportFile; private boolean field_85059_f = true; private StackTraceElement[] stacktrace = new StackTraceElement[0]; private static final String __OBFID = "CL_00000990"; public CrashReport(String descriptionIn, Throwable causeThrowable) { this.description = descriptionIn; this.cause = causeThrowable; this.populateEnvironment(); } /** * Populates this crash report with initial information about the running server and operating system / java * environment */ private void populateEnvironment() { this.theReportCategory.addCrashSectionCallable("Minecraft Version", new Callable() { private static final String __OBFID = "CL_00001197"; public String call() { return "1.8"; } }); this.theReportCategory.addCrashSectionCallable("Operating System", new Callable() { private static final String __OBFID = "CL_00001222"; public String call() { return System.getProperty("os.name") + " (" + System.getProperty("os.arch") + ") version " + System.getProperty("os.version"); } }); this.theReportCategory.addCrashSectionCallable("Java Version", new Callable() { private static final String __OBFID = "CL_00001248"; public String call() { return System.getProperty("java.version") + ", " + System.getProperty("java.vendor"); } }); this.theReportCategory.addCrashSectionCallable("Java VM Version", new Callable() { private static final String __OBFID = "CL_00001275"; public String call() { return System.getProperty("java.vm.name") + " (" + System.getProperty("java.vm.info") + "), " + System.getProperty("java.vm.vendor"); } }); this.theReportCategory.addCrashSectionCallable("Memory", new Callable() { private static final String __OBFID = "CL_00001302"; public String call() { Runtime var1 = Runtime.getRuntime(); long var2 = var1.maxMemory(); long var4 = var1.totalMemory(); long var6 = var1.freeMemory(); long var8 = var2 / 1024L / 1024L; long var10 = var4 / 1024L / 1024L; long var12 = var6 / 1024L / 1024L; return var6 + " bytes (" + var12 + " MB) / " + var4 + " bytes (" + var10 + " MB) up to " + var2 + " bytes (" + var8 + " MB)"; } }); this.theReportCategory.addCrashSectionCallable("JVM Flags", new Callable() { private static final String __OBFID = "CL_00001329"; public String call() { RuntimeMXBean var1 = ManagementFactory.getRuntimeMXBean(); List var2 = var1.getInputArguments(); int var3 = 0; StringBuilder var4 = new StringBuilder(); Iterator var5 = var2.iterator(); while (var5.hasNext()) { String var6 = (String)var5.next(); if (var6.startsWith("-X")) { if (var3++ > 0) { var4.append(" "); } var4.append(var6); } } return String.format("%d total; %s", new Object[] {Integer.valueOf(var3), var4.toString()}); } }); this.theReportCategory.addCrashSectionCallable("IntCache", new Callable() { private static final String __OBFID = "CL_00001355"; public String call() { return IntCache.getCacheSizes(); } }); } /** * Returns the description of the Crash Report. */ public String getDescription() { return this.description; } /** * Returns the Throwable object that is the cause for the crash and Crash Report. */ public Throwable getCrashCause() { return this.cause; } /** * Gets the various sections of the crash report into the given StringBuilder */ public void getSectionsInStringBuilder(StringBuilder p_71506_1_) { if ((this.stacktrace == null || this.stacktrace.length <= 0) && this.crashReportSections.size() > 0) { this.stacktrace = (StackTraceElement[])ArrayUtils.subarray(((CrashReportCategory)this.crashReportSections.get(0)).getStackTrace(), 0, 1); } if (this.stacktrace != null && this.stacktrace.length > 0) { p_71506_1_.append("-- Head --\n"); p_71506_1_.append("Stacktrace:\n"); StackTraceElement[] var2 = this.stacktrace; int var3 = var2.length; for (int var4 = 0; var4 < var3; ++var4) { StackTraceElement var5 = var2[var4]; p_71506_1_.append("\t").append("at ").append(var5.toString()); p_71506_1_.append("\n"); } p_71506_1_.append("\n"); } Iterator var6 = this.crashReportSections.iterator(); while (var6.hasNext()) { CrashReportCategory var7 = (CrashReportCategory)var6.next(); var7.appendToStringBuilder(p_71506_1_); p_71506_1_.append("\n\n"); } this.theReportCategory.appendToStringBuilder(p_71506_1_); } /** * Gets the stack trace of the Throwable that caused this crash report, or if that fails, the cause .toString(). */ public String getCauseStackTraceOrString() { StringWriter var1 = null; PrintWriter var2 = null; Object var3 = this.cause; if (((Throwable)var3).getMessage() == null) { if (var3 instanceof NullPointerException) { var3 = new NullPointerException(this.description); } else if (var3 instanceof StackOverflowError) { var3 = new StackOverflowError(this.description); } else if (var3 instanceof OutOfMemoryError) { var3 = new OutOfMemoryError(this.description); } ((Throwable)var3).setStackTrace(this.cause.getStackTrace()); } String var4 = ((Throwable)var3).toString(); try { var1 = new StringWriter(); var2 = new PrintWriter(var1); ((Throwable)var3).printStackTrace(var2); var4 = var1.toString(); } finally { IOUtils.closeQuietly(var1); IOUtils.closeQuietly(var2); } return var4; } /** * Gets the complete report with headers, stack trace, and different sections as a string. */ public String getCompleteReport() { StringBuilder var1 = new StringBuilder(); var1.append("---- Minecraft Crash Report ----\n"); var1.append("// "); var1.append(getWittyComment()); var1.append("\n\n"); var1.append("Time: "); var1.append((new SimpleDateFormat()).format(new Date())); var1.append("\n"); var1.append("Description: "); var1.append(this.description); var1.append("\n\n"); var1.append(this.getCauseStackTraceOrString()); var1.append("\n\nA detailed walkthrough of the error, its code path and all known details is as follows:\n"); for (int var2 = 0; var2 < 87; ++var2) { var1.append("-"); } var1.append("\n\n"); this.getSectionsInStringBuilder(var1); return var1.toString(); } /** * Saves this CrashReport to the given file and returns a value indicating whether we were successful at doing so. */ public boolean saveToFile(File p_147149_1_) { if (this.crashReportFile != null) { return false; } else { if (p_147149_1_.getParentFile() != null) { p_147149_1_.getParentFile().mkdirs(); } try { FileWriter var2 = new FileWriter(p_147149_1_); var2.write(this.getCompleteReport()); var2.close(); this.crashReportFile = p_147149_1_; return true; } catch (Throwable var3) { logger.error("Could not save crash report to " + p_147149_1_, var3); return false; } } } public CrashReportCategory getCategory() { return this.theReportCategory; } /** * Creates a CrashReportCategory */ public CrashReportCategory makeCategory(String p_85058_1_) { return this.makeCategoryDepth(p_85058_1_, 1); } /** * Creates a CrashReportCategory for the given stack trace depth */ public CrashReportCategory makeCategoryDepth(String categoryName, int stacktraceLength) { CrashReportCategory var3 = new CrashReportCategory(this, categoryName); if (this.field_85059_f) { int var4 = var3.getPrunedStackTrace(stacktraceLength); StackTraceElement[] var5 = this.cause.getStackTrace(); StackTraceElement var6 = null; StackTraceElement var7 = null; int var8 = var5.length - var4; if (var8 < 0) { System.out.println("Negative index in crash report handler (" + var5.length + "/" + var4 + ")"); } if (var5 != null && 0 <= var8 && var8 < var5.length) { var6 = var5[var8]; if (var5.length + 1 - var4 < var5.length) { var7 = var5[var5.length + 1 - var4]; } } this.field_85059_f = var3.firstTwoElementsOfStackTraceMatch(var6, var7); if (var4 > 0 && !this.crashReportSections.isEmpty()) { CrashReportCategory var9 = (CrashReportCategory)this.crashReportSections.get(this.crashReportSections.size() - 1); var9.trimStackTraceEntriesFromBottom(var4); } else if (var5 != null && var5.length >= var4 && 0 <= var8 && var8 < var5.length) { this.stacktrace = new StackTraceElement[var8]; System.arraycopy(var5, 0, this.stacktrace, 0, this.stacktrace.length); } else { this.field_85059_f = false; } } this.crashReportSections.add(var3); return var3; } /** * Gets a random witty comment for inclusion in this CrashReport */ private static String getWittyComment() { String[] var0 = new String[] {"Who set us up the TNT?", "Everything\'s going to plan. No, really, that was supposed to happen.", "Uh... Did I do that?", "Oops.", "Why did you do that?", "I feel sad now :(", "My bad.", "I\'m sorry, Dave.", "I let you down. Sorry :(", "On the bright side, I bought you a teddy bear!", "Daisy, daisy...", "Oh - I know what I did wrong!", "Hey, that tickles! Hehehe!", "I blame Dinnerbone.", "You should try our sister game, Minceraft!", "Don\'t be sad. I\'ll do better next time, I promise!", "Don\'t be sad, have a hug! <3", "I just don\'t know what went wrong :(", "Shall we play a game?", "Quite honestly, I wouldn\'t worry myself about that.", "I bet Cylons wouldn\'t have this problem.", "Sorry :(", "Surprise! Haha. Well, this is awkward.", "Would you like a cupcake?", "Hi. I\'m Minecraft, and I\'m a crashaholic.", "Ooh. Shiny.", "This doesn\'t make any sense!", "Why is it breaking :(", "Don\'t do that.", "Ouch. That hurt :(", "You\'re mean.", "This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]", "There are four lights!", "But it works on my machine."}; try { return var0[(int)(System.nanoTime() % (long)var0.length)]; } catch (Throwable var2) { return "Witty comment unavailable :("; } } /** * Creates a crash report for the exception */ public static CrashReport makeCrashReport(Throwable causeIn, String descriptionIn) { CrashReport var2; if (causeIn instanceof ReportedException) { var2 = ((ReportedException)causeIn).getCrashReport(); } else { var2 = new CrashReport(descriptionIn, causeIn); } return var2; } }