diff --git a/build.gradle b/build.gradle
index 292e44867..48299476c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -54,7 +54,7 @@ allprojects {
     }
 
     jacoco {
-        toolVersion = "0.8.1"
+        toolVersion = "0.8.2"
     }
     jacocoTestReport {
         reports {
diff --git a/jadx-core/src/main/java/jadx/core/deobf/DeobfPresets.java b/jadx-core/src/main/java/jadx/core/deobf/DeobfPresets.java
index ab27165fb..4c6741d8d 100644
--- a/jadx-core/src/main/java/jadx/core/deobf/DeobfPresets.java
+++ b/jadx-core/src/main/java/jadx/core/deobf/DeobfPresets.java
@@ -116,14 +116,16 @@ class DeobfPresets {
 			}
 		}
 		for (FieldInfo fld : deobfuscator.getFldMap().keySet()) {
-			list.add(String.format("f %s = %s", fld.getFullId(), fld.getAlias()));
+			list.add(String.format("f %s = %s", fld.getRawFullId(), fld.getAlias()));
 		}
 		for (MethodInfo mth : deobfuscator.getMthMap().keySet()) {
-			list.add(String.format("m %s = %s", mth.getFullId(), mth.getAlias()));
+			list.add(String.format("m %s = %s", mth.getRawFullId(), mth.getAlias()));
 		}
 		Collections.sort(list);
 		FileUtils.writeLines(deobfMapFile, MAP_FILE_CHARSET, list);
-		list.clear();
+		if (LOG.isDebugEnabled()) {
+			LOG.debug("Deobfuscation map file saved as: {}", deobfMapFile);
+		}
 	}
 
 	private static void dfsPackageName(List<String> list, String prefix, PackageNode node) {
@@ -140,11 +142,11 @@ class DeobfPresets {
 	}
 
 	public String getForFld(FieldInfo fld) {
-		return fldPresetMap.get(fld.getFullId());
+		return fldPresetMap.get(fld.getRawFullId());
 	}
 
 	public String getForMth(MethodInfo mth) {
-		return mthPresetMap.get(mth.getFullId());
+		return mthPresetMap.get(mth.getRawFullId());
 	}
 
 	public void clear() {
diff --git a/jadx-core/src/main/java/jadx/core/deobf/Deobfuscator.java b/jadx-core/src/main/java/jadx/core/deobf/Deobfuscator.java
index ed0d45f91..7e18b1930 100644
--- a/jadx-core/src/main/java/jadx/core/deobf/Deobfuscator.java
+++ b/jadx-core/src/main/java/jadx/core/deobf/Deobfuscator.java
@@ -409,6 +409,9 @@ public class Deobfuscator {
 	@Nullable
 	private String getMethodAlias(MethodNode mth) {
 		MethodInfo methodInfo = mth.getMethodInfo();
+		if (methodInfo.isClassInit() || methodInfo.isConstructor()) {
+			return null;
+		}
 		String alias = mthMap.get(methodInfo);
 		if (alias != null) {
 			return alias;
diff --git a/jadx-core/src/main/java/jadx/core/dex/info/FieldInfo.java b/jadx-core/src/main/java/jadx/core/dex/info/FieldInfo.java
index 6d4844f70..fd35db1de 100644
--- a/jadx-core/src/main/java/jadx/core/dex/info/FieldInfo.java
+++ b/jadx-core/src/main/java/jadx/core/dex/info/FieldInfo.java
@@ -57,6 +57,10 @@ public final class FieldInfo {
 		return declClass.getFullName() + "." + name + ":" + TypeGen.signature(type);
 	}
 
+	public String getRawFullId() {
+		return declClass.makeRawFullName() + "." + name + ":" + TypeGen.signature(type);
+	}
+
 	public boolean isRenamed() {
 		return !name.equals(alias);
 	}
diff --git a/jadx-core/src/main/java/jadx/core/dex/info/MethodInfo.java b/jadx-core/src/main/java/jadx/core/dex/info/MethodInfo.java
index 1f49480f7..8aab5fca1 100644
--- a/jadx-core/src/main/java/jadx/core/dex/info/MethodInfo.java
+++ b/jadx-core/src/main/java/jadx/core/dex/info/MethodInfo.java
@@ -68,6 +68,10 @@ public final class MethodInfo {
 		return declClass.getFullName() + "." + shortId;
 	}
 
+	public String getRawFullId() {
+		return declClass.makeRawFullName() + "." + shortId;
+	}
+
 	/**
 	 * Method name and signature
 	 */
diff --git a/jadx-core/src/main/java/jadx/core/dex/trycatch/SplitterBlockAttr.java b/jadx-core/src/main/java/jadx/core/dex/trycatch/SplitterBlockAttr.java
index f7b952e04..561091c64 100644
--- a/jadx-core/src/main/java/jadx/core/dex/trycatch/SplitterBlockAttr.java
+++ b/jadx-core/src/main/java/jadx/core/dex/trycatch/SplitterBlockAttr.java
@@ -23,6 +23,6 @@ public class SplitterBlockAttr implements IAttribute {
 
 	@Override
 	public String toString() {
-		return "Splitter: " + block;
+		return "Splitter:" + block;
 	}
 }
diff --git a/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockFinish.java b/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockFinish.java
index 96db02e95..dd7d47bf6 100644
--- a/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockFinish.java
+++ b/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockFinish.java
@@ -26,7 +26,7 @@ public class BlockFinish extends AbstractVisitor {
 
 		for (BlockNode block : mth.getBasicBlocks()) {
 			block.updateCleanSuccessors();
-			fixSplitterBlock(block);
+			fixSplitterBlock(mth, block);
 		}
 
 		mth.finishBasicBlocks();
@@ -36,7 +36,7 @@ public class BlockFinish extends AbstractVisitor {
 	 * For evey exception handler must be only one splitter block,
 	 * select correct one and remove others if necessary.
 	 */
-	private static void fixSplitterBlock(BlockNode block) {
+	private static void fixSplitterBlock(MethodNode mth, BlockNode block) {
 		ExcHandlerAttr excHandlerAttr = block.get(AType.EXC_HANDLER);
 		if (excHandlerAttr == null) {
 			return;
@@ -58,7 +58,7 @@ public class BlockFinish extends AbstractVisitor {
 		}
 		BlockNode topSplitter = BlockUtils.getTopBlock(splitters.keySet());
 		if (topSplitter == null) {
-			LOG.warn("Unknown top splitter block from list: {}", splitters);
+			mth.addWarn("Unknown top exception splitter block from list: " + splitters);
 			return;
 		}
 		for (Map.Entry<BlockNode, SplitterBlockAttr> entry : splitters.entrySet()) {
diff --git a/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockSplitter.java b/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockSplitter.java
index 4a7750c72..572a2610a 100644
--- a/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockSplitter.java
+++ b/jadx-core/src/main/java/jadx/core/dex/visitors/blocksmaker/BlockSplitter.java
@@ -226,12 +226,13 @@ public class BlockSplitter extends AbstractVisitor {
 					BlockNode thisBlock = getBlock(jump.getDest(), blocksMap);
 					connect(srcBlock, thisBlock);
 				}
-				connectExceptionHandlers(block, insn);
+				connectExceptionHandlers(block, insn, blocksMap);
 			}
 		}
 	}
 
-	private static void connectExceptionHandlers(BlockNode block, InsnNode insn) {
+	private static void connectExceptionHandlers(BlockNode block, InsnNode insn,
+	                                             Map<Integer, BlockNode> blocksMap) {
 		CatchAttr catches = insn.get(AType.CATCH_BLOCK);
 		SplitterBlockAttr spl = block.get(AType.SPLITTER_BLOCK);
 		if (catches == null || spl == null) {
@@ -240,7 +241,7 @@ public class BlockSplitter extends AbstractVisitor {
 		BlockNode splitterBlock = spl.getBlock();
 		boolean tryEnd = insn.contains(AFlag.TRY_LEAVE);
 		for (ExceptionHandler h : catches.getTryBlock().getHandlers()) {
-			BlockNode handlerBlock = h.getHandlerBlock();
+			BlockNode handlerBlock = initHandlerBlock(h, blocksMap);
 			// skip self loop in handler
 			if (splitterBlock != handlerBlock) {
 				if (!handlerBlock.contains(AType.SPLITTER_BLOCK)) {
@@ -254,6 +255,16 @@ public class BlockSplitter extends AbstractVisitor {
 		}
 	}
 
+	private static BlockNode initHandlerBlock(ExceptionHandler excHandler, Map<Integer, BlockNode> blocksMap) {
+		BlockNode handlerBlock = excHandler.getHandlerBlock();
+		if (handlerBlock != null) {
+			return handlerBlock;
+		}
+		BlockNode blockByOffset = getBlock(excHandler.getHandleOffset(), blocksMap);
+		excHandler.setHandlerBlock(blockByOffset);
+		return blockByOffset;
+	}
+
 	private static boolean isSplitByJump(InsnNode prevInsn, InsnNode currentInsn) {
 		List<JumpInfo> pJumps = prevInsn.getAll(AType.JUMP);
 		for (JumpInfo jump : pJumps) {
diff --git a/jadx-core/src/main/java/jadx/core/dex/visitors/regions/CheckRegions.java b/jadx-core/src/main/java/jadx/core/dex/visitors/regions/CheckRegions.java
index 106eeee7a..49389ea7b 100644
--- a/jadx-core/src/main/java/jadx/core/dex/visitors/regions/CheckRegions.java
+++ b/jadx-core/src/main/java/jadx/core/dex/visitors/regions/CheckRegions.java
@@ -60,7 +60,7 @@ public class CheckRegions extends AbstractVisitor {
 						&& !block.getInstructions().isEmpty()
 						&& !block.contains(AFlag.SKIP)) {
 					String blockCode = getBlockInsnStr(mth, block);
-					mth.addWarn("Missing block: " + block + ", code:" + CodeWriter.NL + blockCode);
+					mth.addWarn("Missing block: " + block + ", code skipped:" + CodeWriter.NL + blockCode);
 				}
 			}
 		}
diff --git a/jadx-core/src/main/java/jadx/core/dex/visitors/regions/ProcessTryCatchRegions.java b/jadx-core/src/main/java/jadx/core/dex/visitors/regions/ProcessTryCatchRegions.java
index 33d544cc3..bb2d543e8 100644
--- a/jadx-core/src/main/java/jadx/core/dex/visitors/regions/ProcessTryCatchRegions.java
+++ b/jadx-core/src/main/java/jadx/core/dex/visitors/regions/ProcessTryCatchRegions.java
@@ -27,7 +27,6 @@ import jadx.core.dex.trycatch.TryCatchBlock;
 import jadx.core.utils.BlockUtils;
 import jadx.core.utils.ErrorsCounter;
 import jadx.core.utils.RegionUtils;
-import jadx.core.utils.exceptions.JadxRuntimeException;
 
 /**
  * Extract blocks to separate try/catch region
@@ -67,34 +66,39 @@ public class ProcessTryCatchRegions extends AbstractRegionVisitor {
 		// for each try block search nearest dominator block
 		for (TryCatchBlock tb : tryBlocks) {
 			if (tb.getHandlersCount() == 0) {
-				LOG.warn("No exception handlers in catch block, method: {}", mth);
+				mth.addWarn("No exception handlers in catch block: " + tb);
 				continue;
 			}
-			BitSet bs = new BitSet(mth.getBasicBlocks().size());
-			for (ExceptionHandler excHandler : tb.getHandlers()) {
-				BlockNode handlerBlock = excHandler.getHandlerBlock();
-				if (handlerBlock != null) {
-					SplitterBlockAttr splitter = handlerBlock.get(AType.SPLITTER_BLOCK);
-					if (splitter != null) {
-						BlockNode block = splitter.getBlock();
-						bs.set(block.getId());
-					}
+			processTryCatchBlock(mth, tb, tryBlocksMap);
+		}
+	}
+
+	private static void processTryCatchBlock(MethodNode mth, TryCatchBlock tb, Map<BlockNode, TryCatchBlock> tryBlocksMap) {
+		BitSet bs = new BitSet(mth.getBasicBlocks().size());
+		for (ExceptionHandler excHandler : tb.getHandlers()) {
+			BlockNode handlerBlock = excHandler.getHandlerBlock();
+			if (handlerBlock != null) {
+				SplitterBlockAttr splitter = handlerBlock.get(AType.SPLITTER_BLOCK);
+				if (splitter != null) {
+					BlockNode block = splitter.getBlock();
+					bs.set(block.getId());
 				}
 			}
-			List<BlockNode> domBlocks = BlockUtils.bitSetToBlocks(mth, bs);
-			BlockNode domBlock;
-			if (domBlocks.size() != 1) {
-				domBlock = BlockUtils.getTopBlock(domBlocks);
-				if (domBlock == null) {
-					throw new JadxRuntimeException("Exception block dominator not found, method:" + mth + ", dom blocks: " + domBlocks);
-				}
-			} else {
-				domBlock = domBlocks.get(0);
-			}
-			TryCatchBlock prevTB = tryBlocksMap.put(domBlock, tb);
-			if (prevTB != null) {
-				ErrorsCounter.methodWarn(mth, "Failed to process nested try/catch");
+		}
+		List<BlockNode> domBlocks = BlockUtils.bitSetToBlocks(mth, bs);
+		BlockNode domBlock;
+		if (domBlocks.size() != 1) {
+			domBlock = BlockUtils.getTopBlock(domBlocks);
+			if (domBlock == null) {
+				mth.addWarn("Exception block dominator not found, dom blocks: " + domBlocks);
+				return;
 			}
+		} else {
+			domBlock = domBlocks.get(0);
+		}
+		TryCatchBlock prevTB = tryBlocksMap.put(domBlock, tb);
+		if (prevTB != null) {
+			mth.addWarn("Failed to process nested try/catch");
 		}
 	}
 
@@ -105,7 +109,7 @@ public class ProcessTryCatchRegions extends AbstractRegionVisitor {
 			if (region.getSubBlocks().contains(dominator)) {
 				TryCatchBlock tb = tryBlocksMap.get(dominator);
 				if (!wrapBlocks(region, tb, dominator)) {
-					ErrorsCounter.methodWarn(mth, "Can't wrap try/catch for " + region);
+					ErrorsCounter.methodWarn(mth, "Can't wrap try/catch for region: " + region);
 				}
 				tryBlocksMap.remove(dominator);
 				return true;
diff --git a/jadx-core/src/main/java/jadx/core/dex/visitors/regions/RegionMaker.java b/jadx-core/src/main/java/jadx/core/dex/visitors/regions/RegionMaker.java
index 603bfc5c7..7a6d95c5d 100644
--- a/jadx-core/src/main/java/jadx/core/dex/visitors/regions/RegionMaker.java
+++ b/jadx-core/src/main/java/jadx/core/dex/visitors/regions/RegionMaker.java
@@ -932,7 +932,7 @@ public class RegionMaker {
 				}
 			}
 			for (ExceptionHandler handler : tc.getHandlers()) {
-				processExcHandler(handler, exits);
+				processExcHandler(mth, handler, exits);
 			}
 		}
 		return processHandlersOutBlocks(mth, tcs);
@@ -971,12 +971,12 @@ public class RegionMaker {
 		return excOutRegion;
 	}
 
-	private void processExcHandler(ExceptionHandler handler, Set<BlockNode> exits) {
+	private void processExcHandler(MethodNode mth, ExceptionHandler handler, Set<BlockNode> exits) {
 		BlockNode start = handler.getHandlerBlock();
 		if (start == null) {
 			return;
 		}
-		RegionStack stack = new RegionStack(mth);
+		RegionStack stack = new RegionStack(this.mth);
 		BlockNode dom;
 		if (handler.isFinally()) {
 			SplitterBlockAttr splitterAttr = start.get(AType.SPLITTER_BLOCK);
@@ -989,11 +989,11 @@ public class RegionMaker {
 			stack.addExits(exits);
 		}
 		BitSet domFrontier = dom.getDomFrontier();
-		List<BlockNode> handlerExits = BlockUtils.bitSetToBlocks(mth, domFrontier);
-		boolean inLoop = mth.getLoopForBlock(start) != null;
+		List<BlockNode> handlerExits = BlockUtils.bitSetToBlocks(this.mth, domFrontier);
+		boolean inLoop = this.mth.getLoopForBlock(start) != null;
 		for (BlockNode exit : handlerExits) {
 			if ((!inLoop || BlockUtils.isPathExists(start, exit))
-					&& RegionUtils.isRegionContainsBlock(mth.getRegion(), exit)) {
+					&& RegionUtils.isRegionContainsBlock(this.mth.getRegion(), exit)) {
 				stack.addExit(exit);
 			}
 		}
@@ -1001,7 +1001,7 @@ public class RegionMaker {
 
 		ExcHandlerAttr excHandlerAttr = start.get(AType.EXC_HANDLER);
 		if (excHandlerAttr == null) {
-			LOG.warn("Missing exception handler attribute for start block");
+			mth.addWarn("Missing exception handler attribute for start block: " + start);
 		} else {
 			handler.getHandlerRegion().addAttr(excHandlerAttr);
 		}
diff --git a/jadx-core/src/test/java/jadx/tests/external/BaseExternalTest.java b/jadx-core/src/test/java/jadx/tests/external/BaseExternalTest.java
index a0754fbf5..24fa38ffc 100644
--- a/jadx-core/src/test/java/jadx/tests/external/BaseExternalTest.java
+++ b/jadx-core/src/test/java/jadx/tests/external/BaseExternalTest.java
@@ -135,23 +135,36 @@ public abstract class BaseExternalTest extends IntegrationTest {
 		String[] lines = code.split(CodeWriter.NL);
 		for (MethodNode mth : classNode.getMethods()) {
 			if (isMthMatch(mth, mthPattern)) {
-				int decompiledLine = mth.getDecompiledLine();
+				int decompiledLine = mth.getDecompiledLine() - 1;
 				StringBuilder mthCode = new StringBuilder();
+				int startLine = getCommentLinesCount(lines, decompiledLine);
 				int brackets = 0;
-				for (int i = decompiledLine - 1; i > 0 && i < lines.length; i++) {
+				for (int i = startLine; i > 0 && i < lines.length; i++) {
 					String line = lines[i];
 					mthCode.append(line).append(CodeWriter.NL);
-					brackets += StringUtils.countMatches(line, '{');
-					brackets -= StringUtils.countMatches(line, '}');
-					if (brackets <= 0) {
-						break;
+					if (i >= decompiledLine) {
+						brackets += StringUtils.countMatches(line, '{');
+						brackets -= StringUtils.countMatches(line, '}');
+						if (brackets <= 0) {
+							break;
+						}
 					}
 				}
-				LOG.info("{}\n{}", mth.getMethodInfo().getShortId(), mthCode);
+				LOG.info("Print method: {}\n{}", mth.getMethodInfo().getShortId(), mthCode);
 			}
 		}
 	}
 
+	protected int getCommentLinesCount(String[] lines, int line) {
+		for (int i = line - 1; i > 0 && i < lines.length; i--) {
+			String str = lines[i];
+			if (str.isEmpty() || str.equals(CodeWriter.NL)) {
+				return i + 1;
+			}
+		}
+		return 0;
+	}
+
 	private void printErrorReport(JadxDecompiler jadx) {
 		jadx.printErrorsReport();
 		assertThat(jadx.getErrorsCount(), is(0));
diff --git a/jadx-gui/build.gradle b/jadx-gui/build.gradle
index aa38bae99..956922536 100644
--- a/jadx-gui/build.gradle
+++ b/jadx-gui/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'edu.sc.seis.launch4j' version '2.4.4'
-    id 'com.github.johnrengelman.shadow' version '2.0.4'
+    id 'com.github.johnrengelman.shadow' version '4.0.3'
 }
 
 apply plugin: 'application'