Cannot connect to keystore

[yan-lixin]

Cannot connect to keystore
android.os.DeadObjectException
at android.os.BinderProxy.transactNative(Native Method)
at android.os.BinderProxy.transact(Binder.java:617)
at android.security.IKeystoreService$Stub$Proxy.begin(IKeystoreService.java:1255)

This mistake happens occasionally. The wrong place is the 496th line of EncryptionManager.

[yan-lixin]

Cannot connect to keystore
android.os.DeadObjectException
at android.os.BinderProxy.transactNative(Native Method)
at android.os.BinderProxy.transact(Binder.java:617)
at android.security.IKeystoreService$Stub$Proxy.begin(IKeystoreService.java:1255)
at android.security.KeyStore.begin(KeyStore.java:488)
at android.security.keystore.AndroidKeyStoreCipherSpiBase.ensureKeystoreOperationInitialized(AndroidKeyStoreCipherSpiBase.java:248)
at android.security.keystore.AndroidKeyStoreCipherSpiBase.engineInit(AndroidKeyStoreCipherSpiBase.java:148)
at javax.crypto.Cipher.tryTransformWithProvider(Cipher.java:2973)
at javax.crypto.Cipher.tryCombinations(Cipher.java:2884)
at javax.crypto.Cipher$SpiAndProviderUpdater.updateAndGetSpiAndProvider(Cipher.java:2789)
at javax.crypto.Cipher.chooseProvider(Cipher.java:956)
at javax.crypto.Cipher.init(Cipher.java:1329)
at javax.crypto.Cipher.init(Cipher.java:1267)
at devliving.online.securedpreferencestore.EncryptionManager.decryptAES(EncryptionManager.java:496)
at devliving.online.securedpreferencestore.EncryptionManager.decrypt(EncryptionManager.java:341)
at devliving.online.securedpreferencestore.EncryptionManager.tryDecrypt(EncryptionManager.java:286)
at devliving.online.securedpreferencestore.EncryptionManager.decrypt(EncryptionManager.java:385)
at devliving.online.securedpreferencestore.SecuredPreferenceStore.getString(SecuredPreferenceStore.java:192)