diff --git a/classlib/src/main/java/org/teavm/classlib/java/io/TInvalidClassException.java b/classlib/src/main/java/org/teavm/classlib/java/io/TInvalidClassException.java
new file mode 100644
index 000000000..0ba0d953c
--- /dev/null
+++ b/classlib/src/main/java/org/teavm/classlib/java/io/TInvalidClassException.java
@@ -0,0 +1,38 @@
+/*
+ *  Copyright 2024 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.classlib.java.io;
+
+public class TInvalidClassException extends TObjectStreamException {
+    public String classname;
+
+    public TInvalidClassException(String reason) {
+        super(reason);
+    }
+
+    public TInvalidClassException(String classname, String message) {
+        super(message);
+        this.classname = classname;
+    }
+
+    public TInvalidClassException(String reason, Throwable cause) {
+        super(reason, cause);
+    }
+
+    public TInvalidClassException(String classname, String message, Throwable cause) {
+        super(message, cause);
+        this.classname = classname;
+    }
+}
diff --git a/classlib/src/main/java/org/teavm/classlib/java/io/TObjectStreamException.java b/classlib/src/main/java/org/teavm/classlib/java/io/TObjectStreamException.java
new file mode 100644
index 000000000..6ea564571
--- /dev/null
+++ b/classlib/src/main/java/org/teavm/classlib/java/io/TObjectStreamException.java
@@ -0,0 +1,33 @@
+/*
+ *  Copyright 2024 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.classlib.java.io;
+
+public class TObjectStreamException extends TIOException {
+    public TObjectStreamException() {
+    }
+
+    public TObjectStreamException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public TObjectStreamException(String message) {
+        super(message);
+    }
+
+    public TObjectStreamException(Throwable cause) {
+        super(cause);
+    }
+}