我刚刚将 node.js、npm 和 mongodb 安装到了全新的 Ubuntu 12.04 服务器上。当我尝试打开我的网站时,出现此错误:
/home/proj/node_modules/socket.io/node_modules/engine.io/node_modules/engine.io-parser/lib/index.js:402
return doneCallback(null, Buffer.concat([sizeBuffer, stringToBuffer(pa
^
TypeError: Object function Buffer(subject, encoding, offset) {
if (!(this instanceof Buffer)) {
return new Buffer(subject, encoding, offset);
}
var type;
// Are we slicing?
if (typeof offset === 'number') {
this.length = coerce(encoding);
this.parent = subject;
this.offset = offset;
} else {
// Find the length
switch (type = typeof subject) {
case 'number':
this.length = coerce(subject);
break;
case 'string':
this.length = Buffer.byteLength(subject, encoding);
break;
case 'object': // Assume object is an array
this.length = coerce(subject.length);
break;
default:
throw new Error('First argument needs to be a number, ' +
'array or string.');
}
if (this.length > Buffer.poolSize) {
// Big buffer, just alloc one.
this.parent = new SlowBuffer(this.length);
this.offset = 0;
} else {
// Small buffer.
if (!pool || pool.length - pool.used < this.length) allocPool();
this.parent = pool;
this.offset = pool.used;
pool.used += this.length;
}
// Treat array-ish objects as a byte array.
if (isArrayIsh(subject)) {
for (var i = 0; i < this.length; i++) {
this.parent[i + this.offset] = subject[i];
}
} else if (type == 'string') {
// We are a string
this.length = this.write(subject, 0, encoding);
}
}
SlowBuffer.makeFastBuffer(this.parent, this, this.offset, this.length);
} has no method 'concat'
at /home/proj/node_modules/socket.io/node_modules/engine.io/node_modules/engine.io-parser/lib/index.js:402:42
这可能是什么原因造成的?本地主机中一切正常。
最佳答案
Buffer.concat 仅在 Node 0.8 中受支持。您需要将 Node 升级到最新版本。 Ubuntu 12.04仅提供Node 0.6
要升级,您可以运行以下命令
$ npm install -g n
$ n stable
这会将最新的 Node 安装到/usr/local/bin。
您可以使用以下方式运行您的 Node 应用程序
$ /usr/local/bin/node path-to-your-node-app
了解有关 Node 二进制管理的更多信息,请访问 https://github.com/tj/n ,它可以帮助您管理多 Node 二进制安装。
关于node.js - Ubuntu 12.04 中的 Socket.io 错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26894704/