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https://issues.apache.org/jira/browse/THRIFT-3301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15660284#comment-15660284
 ] 

ASF GitHub Bot commented on THRIFT-3301:
----------------------------------------

Github user Jens-G commented on a diff in the pull request:

    https://github.com/apache/thrift/pull/1120#discussion_r87700206
  
    --- Diff: test/JavaTypes.thrift ---
    @@ -0,0 +1,94 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements. See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership. The ASF licenses this file
    + * to you 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.
    + */
    +
    +namespace java thrift.test
    +
    +struct Integer {
    +  1: i32 val
    +}
    +
    +struct String {
    +  1: string val
    +}
    +
    +struct Boolean {
    +  1: bool val
    +}
    +
    +struct Double {
    +  1: double val
    +}
    +
    +struct Long {
    +  1: i64 val
    +}
    +
    +struct Byte {
    +  1: byte val
    +}
    +
    +struct Float {
    +  1: double val
    +}
    +
    +struct List {
    +  1: list<string> vals
    +}
    +
    +struct ArrayList {
    +  1: list<string> vals
    +}
    +
    +struct SortedMap {
    +  1: map<string, string> vals
    +}
    +
    +struct TreeMap {
    +  1: map<string, string> vals
    +}
    +
    +struct HashMap {
    +  1: map<string, String> vals
    +}
    +
    +struct Map {
    +  1: map<double, Double> vals
    +}
    +
    +struct Object {
    +  1: Integer integer,
    +  2: String str,
    +  3: Boolean boolean_field,
    +  4: Double dbl,
    +  5: Byte bite,
    +  6: map<i32, Integer> intmap,
    +  7: Map somemap,
    +}
    +
    --- End diff --
    
    Do we need the same for exception?


> Java generated code uses imports that can lead to class name collisions with 
> IDL defined types
> ----------------------------------------------------------------------------------------------
>
>                 Key: THRIFT-3301
>                 URL: https://issues.apache.org/jira/browse/THRIFT-3301
>             Project: Thrift
>          Issue Type: Bug
>          Components: Java - Compiler
>    Affects Versions: 0.8, 0.9, 0.9.1, 0.9.2
>         Environment: Tested on Linux (Ubuntu 14) with Oracle JDK 8
>            Reporter: Alexander Volanis
>            Assignee: Benjamin Gould
>         Attachments: thrift-issue-3301.tgz
>
>
> The Java generator will produce Java classes with the following set of imports
> {code}
> import org.apache.thrift.scheme.IScheme;
> import org.apache.thrift.scheme.SchemeFactory;
> import org.apache.thrift.scheme.StandardScheme;
> import org.apache.thrift.scheme.TupleScheme;
> import org.apache.thrift.protocol.TTupleProtocol;
> import java.util.List;
> import java.util.ArrayList;
> import java.util.Map;
> import java.util.HashMap;
> import java.util.EnumMap;
> import java.util.Set;
> import java.util.HashSet;
> import java.util.EnumSet;
> import java.util.Collections;
> import java.util.BitSet;
> import java.nio.ByteBuffer;
> import java.util.Arrays;
> import org.slf4j.Logger;
> import org.slf4j.LoggerFactory;
> {code}
> Any one of the imported classes may cause a name conflict with generated code 
> that happens to define a same name class and uses such class as argument or 
> result to methods.
> The generated code should always use fully qualified references to the 
> classes when necessary and avoid all use of imports.



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