exception cleanup

core/java/src/net/metanotion/README-I2P.txt

@@ -25,6 +25,9 @@ Changes for i2p:
 
 - Commented out some System.out.println()
 
+- Convert Errors without message or cause to RuntimeExceptions with a message and cause
+
+
 TODO:
 
 - Change PAGESIZE from default 1024 to 4096? No, wastes too much disk.

core/java/src/net/metanotion/io/block/index/BSkipLevels.java

@@ -91,13 +91,13 @@ public class BSkipLevels extends SkipLevels {
 				if(levels[i]==null) { break; }
 				bf.file.writeInt(((BSkipLevels) levels[i]).levelPage);
 			}
-		} catch (IOException ioe) { throw new Error(); }
+		} catch (IOException ioe) { throw new RuntimeException("Error writing to database", ioe); }
 	}
 
 	public void killInstance() {
 		try {
 			bf.freePage(levelPage);
-		} catch (IOException ioe) { throw new Error(); }
+		} catch (IOException ioe) { throw new RuntimeException("Error freeing database page", ioe); }
 	}
 
 	public SkipLevels newInstance(int levels, SkipSpan ss, SkipList sl) {
@@ -107,6 +107,6 @@ public class BSkipLevels extends SkipLevels {
 			int page = bf.allocPage();
 			BSkipLevels.init(bf, page, bss.page, levels);
 			return new BSkipLevels(bf, page, bsl);
-		} catch (IOException ioe) { throw new Error(); }
+		} catch (IOException ioe) { throw new RuntimeException("Error creating database page", ioe); }
 	}
 }

core/java/src/net/metanotion/io/block/index/BSkipList.java

@@ -53,7 +53,7 @@ public class BSkipList extends SkipList {
 	}
 
 	public BSkipList(int spanSize, BlockFile bf, int skipPage, Serializer key, Serializer val, boolean fileOnly) throws IOException {
-		if(spanSize < 1) { throw new Error("Span size too small"); }
+		if(spanSize < 1) { throw new RuntimeException("Span size too small"); }
 
 		this.skipPage = skipPage;
 		this.bf = bf;
@@ -88,7 +88,7 @@ public class BSkipList extends SkipList {
 			bf.file.writeInt(size);
 			bf.file.writeInt(spans);
 			
-		} catch (IOException ioe) { throw new Error(); }
+		} catch (IOException ioe) { throw new RuntimeException("Error writing to database", ioe); }
 	}
 
 	public void delete() throws IOException {

core/java/src/net/metanotion/io/block/index/BSkipSpan.java

@@ -65,7 +65,7 @@ public class BSkipSpan extends SkipSpan {
 			int newPage = bf.allocPage();
 			init(bf, newPage, bf.spanSize);
 			return new BSkipSpan(bf, (BSkipList) sl, newPage, keySer, valSer);
-		} catch (IOException ioe) { throw new Error(); }
+		} catch (IOException ioe) { throw new RuntimeException("Error creating database page", ioe); }
 	}
 
 	public void killInstance() {
@@ -79,7 +79,7 @@ public class BSkipSpan extends SkipSpan {
 				curPage = next;
 			}
 			bf.freePage(page);
-		} catch(IOException ioe) { throw new Error(); }
+		} catch (IOException ioe) { throw new RuntimeException("Error freeing database page", ioe); }
 	}
 
 	public void flush() {
@@ -124,7 +124,7 @@ public class BSkipSpan extends SkipSpan {
 			}
 			BlockFile.pageSeek(bf.file, this.page);
 			this.overflowPage = bf.file.readInt();
-		} catch(IOException ioe) { throw new Error(); }
+		} catch (IOException ioe) { throw new RuntimeException("Error writing to database", ioe); }
 	}
 
 	private static void load(BSkipSpan bss, BlockFile bf, BSkipList bsl, int spanPage, Serializer key, Serializer val) throws IOException {

core/java/src/net/metanotion/io/block/index/IBSkipSpan.java

@@ -69,7 +69,7 @@ public class IBSkipSpan extends BSkipSpan {
 			rv.keys = new Comparable[bf.spanSize];
 			rv.vals = new Object[bf.spanSize];
 			return rv;
-		} catch (IOException ioe) { throw new Error(ioe); }
+		} catch (IOException ioe) { throw new RuntimeException("Error creating database page", ioe); }
 	}
 
 	/**
@@ -247,7 +247,7 @@ public class IBSkipSpan extends BSkipSpan {
 		try {
 			seekAndLoadData();
 		} catch (IOException ioe) {
-			throw new Error(ioe);
+			throw new RuntimeException("Error reading database", ioe);
 		}
 		SkipSpan rv = super.getSpan(key, search);
 		this.keys = null;
@@ -266,7 +266,7 @@ public class IBSkipSpan extends BSkipSpan {
 				return next.get(key);
 			return getData(key);
 		} catch (IOException ioe) {
-			throw new Error(ioe);
+			throw new RuntimeException("Error reading database", ioe);
 		}
 	}
 
@@ -278,7 +278,7 @@ public class IBSkipSpan extends BSkipSpan {
 		try {
 			seekAndLoadData();
 		} catch (IOException ioe) {
-			throw new Error(ioe);
+			throw new RuntimeException("Error reading database", ioe);
 		}
 		SkipSpan rv = super.put(key, val, sl);
 		// flush() nulls out the data
@@ -293,7 +293,7 @@ public class IBSkipSpan extends BSkipSpan {
 		try {
 			seekAndLoadData();
 		} catch (IOException ioe) {
-			throw new Error(ioe);
+			throw new RuntimeException("Error reading database", ioe);
 		}
 		Object[] rv = super.remove(key, sl);
 		// flush() nulls out the data