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h2/src/main/org/h2/jdbc/JdbcConnection.java

@@ -1006,7 +1006,7 @@ public class JdbcConnection extends TraceObject implements Connection {
             Class clazz = java.sql.Savepoint.class;
             clazz.getClass();
             //## Java 1.4 end ##
-        } catch (Exception e) {
+        } catch (NoClassDefFoundError e) {
             throw Message.getSQLException(ErrorCode.UNSUPPORTED_JAVA_VERSION);
         }
     }

h2/src/main/org/h2/jdbcx/JdbcXid.java

@@ -44,7 +44,7 @@ implements Xid
             formatId = Integer.parseInt(tokenizer.nextToken());
             branchQualifier = ByteUtils.convertStringToBytes(tokenizer.nextToken());
             globalTransactionId = ByteUtils.convertStringToBytes(tokenizer.nextToken());
-        } catch (Exception e) {
+        } catch (RuntimeException e) {
             throw Message.getSQLException(ErrorCode.WRONG_XID_FORMAT_1, tid);
         }
     }

h2/src/main/org/h2/store/DiskFile.java

@@ -331,7 +331,7 @@ public class DiskFile implements CacheWriter {
                 stage++;
                 freeUnusedPages();
                 init = true;
-            } catch (Exception e) {
+            } catch (Throwable e) {
                 database.getTrace(Trace.DATABASE).error(
                         "error initializing summary for " + fileName + " size:" + summary.length + " stage:" + stage, e);
                 // ignore - init is still false in this case