New J2K: Set exception types as non nullable in try statement conversion

j2k/newSrc/org/jetbrains/kotlin/j2k/conversions/TryStatementConversion.kt

@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.j2k.conversions
 
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.j2k.*
+import org.jetbrains.kotlin.j2k.ast.Nullability
 import org.jetbrains.kotlin.j2k.tree.*
 import org.jetbrains.kotlin.j2k.tree.impl.*
 import org.jetbrains.kotlin.name.ClassId
@@ -70,7 +71,7 @@ class TryStatementConversion(private val context: ConversionContext) : Recursive
             (it as? JKJavaDisjunctionType)?.disjunctions ?: listOf(it)
         }.map {
             val parameter = JKParameterImpl(
-                JKTypeElementImpl(it),
+                JKTypeElementImpl(it.updateNullability(Nullability.NotNull)),
                 javaCatchSection.parameter.name.copyTreeAndDetach(),
                 JKModifierListImpl()
             )