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I have a realm model that stores time line (i am making video editing app) and quite frequently it crushes on accessing it's RMArray property. The app is already shipped and I haven't experienced it myself but my crushlytics notifies me about this crash quite oftenly. Here is the crash log:
Fatal Exception: RLMException
Object has been deleted or invalidated.
Thread : Fatal Exception: RLMException
CoreFoundation
0x2614d45f __exceptionPreprocess + 126
libobjc.A.dylib
0x3407ec8b objc_exception_throw + 38
VideoEditor
0x RLMGetArray(RLMObjectBase*, unsigned int, NSString*) (RLMRealm_Private.hpp:38)
VideoEditor
0x VideoEditor.RLMProject.setTimeLineModel (VideoEditor.RLMProject)(VideoEditor.TimeLineModel, beginWriteTransaction : Swift.Bool) -& () (RealmModels.swift:147)
VideoEditor
0x0025eb9c VideoEditor.VideoEditorAPI.saveProject (VideoEditor.VideoEditorAPI)(Swift.Optional&VideoEditor.IProject&, timeLine : VideoEditor.TimeLineModel, name : Swift.String, filterID : Swift.Int, image : ObjectiveC.UIImage) -& Swift.ImplicitlyUnwrappedOptional&VideoEditor.IProject& (VideoEditorAPI.swift:42)
VideoEditor
0x @objc VideoEditor.ProjectEditorViewController.saveProject (VideoEditor.ProjectEditorViewController)(Swift.ImplicitlyUnwrappedOptional&ObjectiveC.NSNotification&) -& () (ProjectEditorViewController.swift:514)
CoreFoundation
0x26105e31 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
CoreFoundation
0x260616cd _CFXNotificationPost + 1784
Foundation
0x26db7dd9 -[NSNotificationCenter postNotificationName:object:userInfo:] + 72
0x296cae2d -[UIApplication _deactivateForReason:notify:] + 528
0x298d2dd7 -[UIApplication _handleNonLaunchSpecificActions:forScene:withTransitionContext:] + 1846
0x298caafd -[UIApplication workspace:didReceiveActions:] + 80
12 FrontBoardServices
0x2ca180a9 __31-[FBSSerialQueue performAsync:]_block_invoke + 12
13 CoreFoundation
0x26113fe5 __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
14 CoreFoundation
0x __CFRunLoopDoBlocks + 216
15 CoreFoundation
0x26111de3 __CFRunLoopRun + 1714
16 CoreFoundation
0x CFRunLoopRunSpecific + 476
17 CoreFoundation
0x CFRunLoopRunInMode + 106
18 GraphicsServices
0x2d5bf201 GSEventRunModal + 136
0x296c943d UIApplicationMain + 1440
20 MerryVideoEditor
0x0028c88f main (main.m:16)
21 libdyld.dylib
0x3460aaaf start + 2
Here is the RLMProject code:
protocol IProject{
var name: String { get set }
var filterID: Int { get set }
var filterIntensity: CGFloat { get set }
/// duration in seconds
var duration: Int { get set }
var dateCreated: NSDate { get }
func setTimeLineModel(timeLine: TimeLineModel, beginWriteTransaction: Bool)
should be done by ProjectImporter
func getTimeLineModel() -& TimeLineModel
var videoAssets: RLMArray { get }
var soundtracks: RLMArray { get }
class RLMProject: RLMObject, IProject, Printable {
dynamic var videoAssets: RLMArray = RLMArray(objectClassName: RLMMediaAsset.className())
dynamic var soundtracks: RLMArray = RLMArray(objectClassName: RLMMediaAsset.className())
dynamic var name: String = ""
dynamic var filterID: Int = 0
dynamic var filterIntensity: CGFloat = 1
dynamic var duration: Int = 0
dynamic var dateCreated: NSDate = NSDate()
dynamic var idValue: Int = 0
func setTimeLineModel(timeLine: TimeLineModel, beginWriteTransaction: Bool = true) {
func updateArray(array: RLMArray, withAssetsArray assetsArray: [MediaAsset], type: MediaType){
array.removeAllObjects()
for asset in assetsArray{
let model = RLMMediaAsset()
model.setMediaAsset(asset)
model.setType(type)
array.addObject(model)
RLMRealm.defaultRealm().addObject(model)
if beginWriteTransaction { RLMRealm.defaultRealm().beginWriteTransaction() }
if videoAssets.invalidated { videoAssets = RLMArray(objectClassName: RLMMediaAsset.className()) }
if soundtracks.invalidated { soundtracks = RLMArray(objectClassName: RLMMediaAsset.className()) }
updateArray(videoAssets, withAssetsArray: timeLine.videoAssets, .Video)
updateArray(soundtracks, withAssetsArray: timeLine.soundtracks, .Soundtrack)
duration = Int(CMTimeGetSeconds(timeLine.totalDuration))
dateCreated = NSDate()
if beginWriteTransaction { RLMRealm.defaultRealm().commitWriteTransaction() }
func getTimeLineModel() -& TimeLineModel {
let timeLine = TimeLineModel()
timeLine.videoAssets = videoAssets.map { ($0 as RLMMediaAsset).getMediaAsset() }
timeLine.soundtracks = soundtracks.map { ($0 as RLMMediaAsset).getMediaAsset() }
return timeLine
extension RLMArray {
func map&U&(transform: (RLMObject) -& U) -& [U]{
var array: [U] = []
for object in self{
array.append(transform(object))
return array
Does anybody has an idea what is wrong with my code?
解决方案 When the RLMProject itself is invalidated, it won't be possible to check for videoAssets.invalidated or soundtracks.invalidated, which is why your stack trace shows that an uncaught exception is being thrown in RLMGetArray.
This implies that the object has been deleted from the realm before you call setTimeLineModel. Please look for realm.deleteObject(_:) in your code to see where this might be happening.
Finally, a few general tips to make your code a little safer and simpler:
Instead of RLMRealm.defaultRealm() everywhere inside your RLMObject, you should use its realm property. This way, if you decide to change the location of your realm at some point, your code inside your RLMObject will continue to work.
Also, rather than create an extension on RLMArray to add map, you could use Swift's free map function.
map(videoAssets) { ($0 as RLMMediaAsset).getMediaAsset() }
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我有一个存储时间线的领域模型(我正在制作视频编辑应用程序),并且很频繁地破坏了访问它的RMArray属性。该应用程序已经发货,我没有经历过我自己,但我的crushlytics通知我关于这次崩溃经常。这是崩溃日志:
致命异常:RLMException 对象已被删除或无效。
线程:致命异常:RLMException
0 CoreFoundation 0x2614d45f __exceptionPreprocess + 126
1 libobjc.A.dylib 0x3407ec8b objc_exception_throw + 38
2 VideoEditor 0x RLMGetArray(RLMObjectBase *, unsigned int,NSString *)(RLMRealm_Private.hpp:38) 3 VideoEditor 0x VideoEditor.RLMProject.setTimeLineModel(VideoEditor.RLMProject)(VideoEditor.TimeLineModel,beginWriteTransaction:Swift.Bool) - & ()(RealmModels.swift:147) 4 VideoEditor 0x0025eb9c VideoEditor.VideoEditorAPI.saveProject(VideoEditor.VideoEditorAPI)(Swift.Optional& VideoEditor.IProject&,timeLine:VideoEditor.TimeLineModel,name:Swift.String,filterID: Swift.Int,image:ObjectiveC.UIImage) - & Swift.ImplicitlyUnwrappedOptional< VideoEditor.IProject> (VideoEditorAPI.swift:42) 5 VideoEditor 0x @objc VideoEditor.ProjectEditorViewController.saveProject(VideoEditor.ProjectEditorViewController)(Swift.ImplicitlyUnwrappedOptional& ObjectiveC.NSNotification&) - & ()(ProjectEditorViewController.swift:514) 6 CoreFoundation 0x26105e31 __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
7 CoreFoundation 0x260616cd _CFXNotificationPost + 1784
8基础0x26db7dd9
[NSNotificationCenter postNotificationName:object:userInfo:] + 72
9 UIKit 0x296cae2d
[UIApplication _deactivateForReason:notify:] + 528
10 UIKit 0x298d2dd7
[UIApplication _handleNonLaunchSpecificActions:forScene:withTransitionContext:] + 1846
11 UIKit 0x298caafd
[UIApplication workspace:didReceiveActions:] + 80
12 FrontBoardServices 0x2ca180a9 __31- [FBSSerialQueue performAsync:] _ block_invoke + 12
13 CoreFoundation 0x26113fe5 __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
14 CoreFoundation 0x __CFRunLoopDoBlocks + 216
15 CoreFoundation 0x26111de3 __CFRunLoopRun + 1714
16 CoreFoundation 0x CFRunLoopRunSpecific + 476
17 CoreFoundation 0x CFRunLoopRunInMode + 106
18 GraphicsServices 0x2d5bf201 GSEventRunModal + 136
19 UIKit 0x296c943d UIApplicationMain + 1440
20 MerryVideoEditor 0x0028c88f main(main.m:16) 21 libdyld.dylib 0x3460aaaf start + 2
这是RLMProject代码:
协议IProject { var name:String {get set}
var filterID:Int {get set}
var filterIntensity:CGFloat {get set}
/// duration in seconds
var duration:Int {get set}
var dateCreated:NSDate {get}
func setTimeLineModel(timeLine:TimeLineModel,beginWriteTransaction:Bool)
//应该由ProjectImporter
func getTimeLineModel() - & TimeLineModel
var videoAssets:RLMArray {get}
var soundtracks:RLMArray {get} }
class RLMProject:RLMObject,IProject,Printable { dynamic var videoAssets:RLMArray = RLMArray(objectClassName:RLMMediaAsset.className()) dynamic var soundtracks:RLMArray = RLMArray(objectClassName:RLMMediaAsset.className())
dynamic var name :String =“”
dynamic var filterID:Int = 0
dynamic var filterIntensity:CGFloat = 1
dynamic var duration:Int = 0 动态var dateCreated:NSDate = NSDate() 动态变量idValue:Int = 0
func setTimeLineModel(timeLine:TimeLineModel,beginWriteTransaction:Bool = true){ func updateArray(array:RLMArray,withAssetsArray assetsArray:[MediaAsset],type:MediaType){ array.removeAllObjects()为assetsArray { let model = RLMMediaAsset()型号.setMediaAsset(asset) model.setType(type) array.addObject(model) RLMRealm.defaultRealm()。addObject(model)} } 如果beginWriteTransaction {RLMRealm.defaultRealm()。beginWriteTransaction()}
如果videoAssets.invalidated {videoAssets = RLMArray(objectClassName:RLMMediaAsset.className())} 如果soundtracks.invalidated {soundtracks = RLMArray(objectClassName:RLMMediaAsset.className())}
updateArray(videoAssets,withAssetsArray:timeLine.videoAssets,.Video) updateArray(soundtracks,withAssetsArray:timeLine.soundtracks,。 Soundtrack) duration = Int(CMTimeGetSeconds(timeLine.totalDuration))
dateCreated = NSDate()如果beginWriteTransaction {RLMRealm.defaultRealm()。commitWriteTransaction()} }
func getTimeLineModel() - & TimeLineModel { let timeLine = TimeLineModel() timeLine.videoAssets = videoAssets.map {($ 0 as RLMMediaAsset).getMediaAsset()}
timeLine.soundtracks = soundtracks.map {($ 0 as RLMMediaAsset ).getMediaAsset()}
return timeLine } }
扩展名RLMArray { func map& U&(transform: RLMObject)→U)→& [U] { var array:[U] = [] 对于self中的对象{ array.append(transform(object))} 返回数组} }
有人知道我的代码有什么问题?
解决方案 当 RLMProject 本身无效时,可以检查 videoAssets.invalidated 或 soundtracks.invalidated ,这就是为什么你的堆栈跟踪显示一个未捕获的异常被引入 RLMGetArray 。
这意味着该对象在您调用 setTimeLineModel 。请在您的代码中查找 realm.deleteObject(_:)以查看可能发生的情况。
最后,一些一般的提示,使您的代码更安全和更简单:
而不是 RLMRealm.defaultRealm()您的 RLMObject 内的任何地方,您应该使用其领域属性。这样,如果您决定在某个时候更改您的领域位置,您的 RLMObject 中的代码将继续运行。
另外,而不是在 RLMArray 上创建扩展名来添加地图,您可以使用Swift的免费地图功能。
map(videoAssets){($ 0 as RLMMediaAsset).getMediaAsset()}
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3&04级的不&锈&钢&橱&柜的价格大概多少
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3&04级的不&锈&钢&橱&柜的价格大概多少
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3&04级的不&锈&钢&橱&柜的价格大概多少?
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A:一般是100米到250米的价格是250元
250米的要610到750*币
双绞线(twisted
pair,TP)是一种综合布线工程中最常用的传输介质,是由两根具有绝缘保护层的铜导线组成的。把两根绝缘的铜导线按一定密度互相绞在一起,每一根导线在传输中辐射出来的电波会被另一根线上发出的电波抵消,有效降低信号干扰的程度。
双绞线一般由两根22~26号绝缘铜导线相互缠绕而成,“双绞线“的名字也是由此而来。实际使用时,双绞线是由多对双绞线一起包在一个绝缘电缆套管里的。如果把一对或多对双绞线放在一个绝缘套管中便成了双绞线电缆,但日常生活中一般把“双绞线电缆“直接称为“双绞线“。
双绞线(Twisted
Pair)是由两条相互绝缘的导线按照一定的规格互相缠绕(一般以逆时针缠绕)在一起而制成的一种通用配线,属于*通信网络传输介质。双绞线过去主要是用来传输模拟信号的,但现在同样适用于数字信号的传输。
超五类网线陕西参考价:¥625
超五类网线详细参数
产品类型超5类线缆
产品适用1000Base-T
最大单段长度100米
传输速率100Mbps
包装长度305米
A:你好,据我所知amp网络配线架的价格情况如下:
1、深圳市艾鹏网络科技有限公司
,价格:155元
2、广州市裕*网络科技有限公司
,价格:585元
3、广州富升康网络科技有限公司
,价格:90元
以上价格来源于网络,仅供参考,具体价格以购买时为准。
A:AMP安普6类屏蔽配线架,报价:1450.00元。安普屏蔽模块专用配线架,安普配线架,报价:58元。RJ45屏蔽配线架,报价:80.00元。价格来源网络,仅供参考。
超五类网线
安普超五类屏蔽网线
305米纯铜双绞线
6-超五类非屏蔽网线双绞线
以上价格来源于网络,仅供参考,具体价格以购买时为准。希望我的回答对你有所帮助
A:参考价格:¥750
设备类型 电缆与双绞线 设备名称 超5类线缆
适用范围 1000Base-T
设备类型 电缆与双绞线 设备名称 超5类线缆
适用范围 1000Base-T
希望我的回答对你有所帮助
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redshift破解版怎么安装
我有更好的答案
1、安装渲染器,渲染的安装过程很简单默认Next安装直到安装完成即可2、解压RLM压缩包(可将解压文件放置任意盘但不能有中文路径)3、开始菜单中找到【运行】选项,打开输入CMD并确定4、输入【cd C:\RedShift RLM】并运行(位置为你rlm所在位置-注意:不能出现中文路径)5、输入【rlm -install_service -service_name RLM-Redshift -dlog +rlm.log】并运行6、回到RLM文件夹中右键以管理员身份运行RLMRedshift2.0破解版:
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