{"action":"created","issue":{"url":"https://api.github.com/repos/firebug/firebug/issues/8003","repository_url":"https://api.github.com/repos/firebug/firebug","labels_url":"https://api.github.com/repos/firebug/firebug/issues/8003/labels{/name}","comments_url":"https://api.github.com/repos/firebug/firebug/issues/8003/comments","events_url":"https://api.github.com/repos/firebug/firebug/issues/8003/events","html_url":"https://github.com/firebug/firebug/issues/8003","id":142931901,"number":8003,"title":"NS_ERROR_IN_PROGRESS error in netCacheReader.js","user":{"login":"umanamente","id":10637425,"avatar_url":"https://avatars.githubusercontent.com/u/10637425?v=3","gravatar_id":"","url":"https://api.github.com/users/umanamente","html_url":"https://github.com/umanamente","followers_url":"https://api.github.com/users/umanamente/followers","following_url":"https://api.github.com/users/umanamente/following{/other_user}","gists_url":"https://api.github.com/users/umanamente/gists{/gist_id}","starred_url":"https://api.github.com/users/umanamente/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/umanamente/subscriptions","organizations_url":"https://api.github.com/users/umanamente/orgs","repos_url":"https://api.github.com/users/umanamente/repos","events_url":"https://api.github.com/users/umanamente/events{/privacy}","received_events_url":"https://api.github.com/users/umanamente/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2016-03-23T11:17:28Z","updated_at":"2016-04-13T15:46:01Z","closed_at":null,"body":"I have tons of NS_ERROR_IN_PROGRESS messages in my console:\r\n```\r\nNS_ERROR_IN_PROGRESS: Component returned failure code: 0x804b000f (NS_ERROR_IN_PROGRESS) [nsICacheEntry.dataSize] \r\n```\r\nIn [netCacheReader.js:307:0](https://github.com/firebug/firebug/blob/3a9367d18f094e2f0a70f4e001e7066f955c8092/extension/content/firebug/net/netCacheReader.js#L307)\r\n\r\nI have Firefox 45.0.1 (also occured in previous versions)\r\n"},"comment":{"url":"https://api.github.com/repos/firebug/firebug/issues/comments/209518714","html_url":"https://github.com/firebug/firebug/issues/8003#issuecomment-209518714","issue_url":"https://api.github.com/repos/firebug/firebug/issues/8003","id":209518714,"user":{"login":"lserni","id":6437534,"avatar_url":"https://avatars.githubusercontent.com/u/6437534?v=3","gravatar_id":"","url":"https://api.github.com/users/lserni","html_url":"https://github.com/lserni","followers_url":"https://api.github.com/users/lserni/followers","following_url":"https://api.github.com/users/lserni/following{/other_user}","gists_url":"https://api.github.com/users/lserni/gists{/gist_id}","starred_url":"https://api.github.com/users/lserni/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lserni/subscriptions","organizations_url":"https://api.github.com/users/lserni/orgs","repos_url":"https://api.github.com/users/lserni/repos","events_url":"https://api.github.com/users/lserni/events{/privacy}","received_events_url":"https://api.github.com/users/lserni/received_events","type":"User","site_admin":false},"created_at":"2016-04-13T15:46:01Z","updated_at":"2016-04-13T15:46:01Z","body":"I have wrapped the assignment in netCacheReader.js inside a try block, and **the error has disappeared**.\r\n\r\nOf course I had to set extension signature checking to false, or Firefox would have rejected the tampered package (this also means that the error will reappear in Firefox v47 when the signature checking will be made mandatory)."}}