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ID Category Severity Reproducibility Date Submitted Last Update
0003134 [Quercus] minor always 12-07-08 00:30 12-10-08 09:15
Reporter koreth View Status public  
Assigned To nam
Priority normal Resolution fixed Platform
Status closed   OS
Projection none   OS Version
ETA none Fixed in Version 4.0.0 Product Version 3.2.1
  Product Build
Summary 0003134: json_decode throws exception on empty input
Description <?php
json_decode('', true);

Vanilla PHP executes this script; Quercus throws an exception:

[00:28:52.271] {http--8080-7} java.lang.ArrayIndexOutOfBoundsException
[00:28:52.271] {http--8080-7} at com.caucho.quercus.env.StringBuilderValue.<init>(StringBuilderValue.java:74)
[00:28:52.271] {http--8080-7} at com.caucho.quercus.env.StringBuilderValue.subSequence(StringBuilderValue.java:660)
[00:28:52.271] {http--8080-7} at com.caucho.quercus.env.StringValue.substring(StringValue.java:1671)
[00:28:52.271] {http--8080-7} at com.caucho.quercus.lib.json.JsonDecoder.errorReturn(JsonDecoder.java:409)
[00:28:52.271] {http--8080-7} at com.caucho.quercus.lib.json.JsonDecoder.errorReturn(JsonDecoder.java:392)
[00:28:52.271] {http--8080-7} at com.caucho.quercus.lib.json.JsonDecoder.jsonDecodeImpl(JsonDecoder.java:115)
[00:28:52.271] {http--8080-7} at com.caucho.quercus.lib.json.JsonDecoder.jsonDecode(JsonDecoder.java:54)
[00:28:52.271] {http--8080-7} at com.caucho.quercus.lib.json.JsonModule.json_decode(JsonModule.java:303)
[00:28:52.271] {http--8080-7} at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Steps To Reproduce
Additional Information
Attached Files

- Relationships

- Notes
(0003580)
koreth
12-07-08 09:21

 This is not a robust fix, but it lets me proceed with testing my PHP code:

--- a/modules/quercus/src/com/caucho/quercus/lib/json/JsonModule.java
+++ b/modules/quercus/src/com/caucho/quercus/lib/json/JsonModule.java
@@ -300,6 +300,8 @@ public class JsonModule
                           StringValue s,
                           @Optional("false") boolean assoc)
   {
+ if (s.length() == 0)
+ return BooleanValue.FALSE;
     return (new JsonDecoder()).jsonDecode(env, s, assoc);
   }
 
(0003594)
nam
12-10-08 09:15

 php/471c
 

- Issue History
Date Modified Username Field Change
12-07-08 00:30 koreth New Issue
12-07-08 09:21 koreth Note Added: 0003580
12-10-08 09:15 nam Status new => assigned
12-10-08 09:15 nam Assigned To  => nam
12-10-08 09:15 nam Status assigned => closed
12-10-08 09:15 nam Note Added: 0003594
12-10-08 09:15 nam Resolution open => fixed
12-10-08 09:15 nam Fixed in Version  => 4.0.0

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