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legacy-article
learn-legacy-article-disclaimer-textTomcat 8.5をご利用のお客様で、URLの先頭にピリオド（.）を持つLiferayプラットフォームを設定されている場合、以下のエラーが発生する場合があります：
java.lang.IllegalArgumentException: An invalid domain [.example.com] was specified for this cookie
session.cookie.use.full.hostname=true を portal-ext.propertiesで設定してください。
session.cookie.use.full.hostname プロパティの説明は以下の通りです：
Set this to true to use the full hostname for cookie domain values. By default the domain is trimmed to use only the root domain to allow cross domain logins.
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