Yiyuan GUO created NETBEANS-5718:
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Summary: A divide by zero bug in websocket
Key: NETBEANS-5718
URL: https://issues.apache.org/jira/browse/NETBEANS-5718
Project: NetBeans
Issue Type: Bug
Reporter: Yiyuan GUO
In the file[
webcommon/netserver/src/org/netbeans/modules/netserver/websocket/Utils.java|https://github.com/apache/netbeans/blob/39496d3400eada7398a8428f05c90589aa1f3b74/webcommon/netserver/src/org/netbeans/modules/netserver/websocket/Utils.java],
the method _decodeNumber_ has the following
[code|https://github.com/apache/netbeans/blob/39496d3400eada7398a8428f05c90589aa1f3b74/webcommon/netserver/src/org/netbeans/modules/netserver/websocket/Utils.java#L213]:
{code:java}
private static int decodeNumber(String code) {
long number = 0;
int spaces = 0;
for (int i=0; i<code.length(); i++) {
char c = code.charAt(i);
if (c >= '0' && c <= '9') {
number *= 10;
number += (c-'0');
}
if (c == ' ') {
spaces++;
}
}
return (int)(number/spaces);
}
{code}
If the variable _code_ contains no spaces, a divide by zero will happen when
performing the division:
{code:java}
return (int)(number/spaces);
{code}
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